diff --git a/.editorconfig b/.editorconfig
index f5af6a6df..e4cfe071d 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -118,7 +118,7 @@ ij_typescript_import_sort_module_name = true
 ij_typescript_import_use_node_resolution = true
 ij_typescript_imports_wrap = on_every_item
 ij_typescript_indent_case_from_switch = true
-ij_typescript_indent_chained_calls = false
+ij_typescript_indent_chained_calls = true
 ij_typescript_indent_package_children = 0
 ij_typescript_jsdoc_include_types = false
 ij_typescript_jsx_attribute_value = braces
diff --git a/cypress/integration/autocompletion.spec.ts b/cypress/integration/autocompletion.spec.ts
index 105d4210e..6585bf24e 100644
--- a/cypress/integration/autocompletion.spec.ts
+++ b/cypress/integration/autocompletion.spec.ts
@@ -8,19 +8,21 @@ describe('Autocompletion', () => {
   beforeEach(() => {
     cy.visit('/n/test')
     cy.get('.btn.active.btn-outline-secondary > i.fa-columns')
-    .should('exist')
-    cy.get('.CodeMirror textarea')
-      .type('{ctrl}a', { force: true })
-      .type('{backspace}')
+      .should('exist')
+
+    cy.get('.CodeMirror')
+      .click()
+      .get('textarea')
+      .as('codeinput')
   })
 
   describe('code block', () => {
     it('via Enter', () => {
-      cy.get('.CodeMirror textarea')
-        .type('```')
+      cy.get('@codeinput')
+        .fill('```')
       cy.get('.CodeMirror-hints')
         .should('exist')
-      cy.get('.CodeMirror textarea')
+      cy.get('@codeinput')
         .type('{enter}')
       cy.get('.CodeMirror-hints')
         .should('not.exist')
@@ -32,8 +34,8 @@ describe('Autocompletion', () => {
         .should('exist')
     })
     it('via doubleclick', () => {
-      cy.get('.CodeMirror textarea')
-        .type('```')
+      cy.get('@codeinput')
+        .fill('```')
       cy.get('.CodeMirror-hints > li')
         .first()
         .dblclick()
@@ -50,11 +52,11 @@ describe('Autocompletion', () => {
 
   describe('container', () => {
     it('via Enter', () => {
-      cy.get('.CodeMirror textarea')
-        .type(':::')
+      cy.get('@codeinput')
+        .fill(':::')
       cy.get('.CodeMirror-hints')
         .should('exist')
-      cy.get('.CodeMirror textarea')
+      cy.get('@codeinput')
         .type('{enter}')
       cy.get('.CodeMirror-hints')
         .should('not.exist')
@@ -66,8 +68,8 @@ describe('Autocompletion', () => {
         .should('exist')
     })
     it('via doubleclick', () => {
-      cy.get('.CodeMirror textarea')
-        .type(':::')
+      cy.get('@codeinput')
+        .fill(':::')
       cy.get('.CodeMirror-hints > li')
         .first()
         .dblclick()
@@ -85,11 +87,11 @@ describe('Autocompletion', () => {
   describe('emoji', () => {
     describe('normal emoji', () => {
       it('via Enter', () => {
-        cy.get('.CodeMirror textarea')
-          .type(':hedg')
+        cy.get('@codeinput')
+          .fill(':hedg')
         cy.get('.CodeMirror-hints')
           .should('exist')
-        cy.get('.CodeMirror textarea')
+        cy.get('@codeinput')
           .type('{enter}')
         cy.get('.CodeMirror-hints')
           .should('not.exist')
@@ -99,8 +101,8 @@ describe('Autocompletion', () => {
           .should('have.text', '🦔')
       })
       it('via doubleclick', () => {
-        cy.get('.CodeMirror textarea')
-          .type(':hedg')
+        cy.get('@codeinput')
+          .fill(':hedg')
         cy.get('.CodeMirror-hints > li')
           .first()
           .dblclick()
@@ -115,11 +117,11 @@ describe('Autocompletion', () => {
 
     describe('fork-awesome-icon', () => {
       it('via Enter', () => {
-        cy.get('.CodeMirror textarea')
-          .type(':fa-face')
+        cy.get('@codeinput')
+          .fill(':fa-face')
         cy.get('.CodeMirror-hints')
           .should('exist')
-        cy.get('.CodeMirror textarea')
+        cy.get('@codeinput')
           .type('{enter}')
         cy.get('.CodeMirror-hints')
           .should('not.exist')
@@ -129,8 +131,8 @@ describe('Autocompletion', () => {
           .should('exist')
       })
       it('via doubleclick', () => {
-        cy.get('.CodeMirror textarea')
-          .type(':fa-face')
+        cy.get('@codeinput')
+          .fill(':fa-face')
         cy.get('.CodeMirror-hints > li')
           .first()
           .dblclick()
@@ -146,11 +148,11 @@ describe('Autocompletion', () => {
 
   describe('header', () => {
     it('via Enter', () => {
-      cy.get('.CodeMirror textarea')
-        .type('#')
+      cy.get('@codeinput')
+        .fill('#')
       cy.get('.CodeMirror-hints')
         .should('exist')
-      cy.get('.CodeMirror textarea')
+      cy.get('@codeinput')
         .type('{enter}')
       cy.get('.CodeMirror-hints')
         .should('not.exist')
@@ -160,8 +162,8 @@ describe('Autocompletion', () => {
         .should('have.text', ' ')
     })
     it('via doubleclick', () => {
-      cy.get('.CodeMirror textarea')
-        .type('#')
+      cy.get('@codeinput')
+        .fill('#')
       cy.get('.CodeMirror-hints > li')
         .first()
         .dblclick()
@@ -176,11 +178,11 @@ describe('Autocompletion', () => {
 
   describe('images', () => {
     it('via Enter', () => {
-      cy.get('.CodeMirror textarea')
-        .type('!')
+      cy.get('@codeinput')
+        .fill('!')
       cy.get('.CodeMirror-hints')
         .should('exist')
-      cy.get('.CodeMirror textarea')
+      cy.get('@codeinput')
         .type('{enter}')
       cy.get('.CodeMirror-hints')
         .should('not.exist')
@@ -192,8 +194,8 @@ describe('Autocompletion', () => {
         .should('have.attr', 'title', 'title')
     })
     it('via doubleclick', () => {
-      cy.get('.CodeMirror textarea')
-        .type('!')
+      cy.get('@codeinput')
+        .fill('!')
       cy.get('.CodeMirror-hints > li')
         .first()
         .dblclick()
@@ -210,11 +212,11 @@ describe('Autocompletion', () => {
 
   describe('links', () => {
     it('via Enter', () => {
-      cy.get('.CodeMirror textarea')
-        .type('[')
+      cy.get('@codeinput')
+        .fill('[')
       cy.get('.CodeMirror-hints')
         .should('exist')
-      cy.get('.CodeMirror textarea')
+      cy.get('@codeinput')
         .type('{enter}')
       cy.get('.CodeMirror-hints')
         .should('not.exist')
@@ -226,8 +228,8 @@ describe('Autocompletion', () => {
         .should('have.attr', 'title', 'title')
     })
     it('via doubleclick', () => {
-      cy.get('.CodeMirror textarea')
-        .type('[')
+      cy.get('@codeinput')
+        .fill('[')
       cy.get('.CodeMirror-hints > li')
         .first()
         .dblclick()
@@ -244,11 +246,11 @@ describe('Autocompletion', () => {
 
   describe('pdf', () => {
     it('via Enter', () => {
-      cy.get('.CodeMirror textarea')
-        .type('{')
+      cy.get('@codeinput')
+        .fill('{')
       cy.get('.CodeMirror-hints')
         .should('exist')
-      cy.get('.CodeMirror textarea')
+      cy.get('@codeinput')
         .type('{enter}')
       cy.get('.CodeMirror-hints')
         .should('not.exist')
@@ -258,8 +260,8 @@ describe('Autocompletion', () => {
         .should('exist')
     })
     it('via doubleclick', () => {
-      cy.get('.CodeMirror textarea')
-        .type('{')
+      cy.get('@codeinput')
+        .fill('{')
       cy.get('.CodeMirror-hints > li')
         .first()
         .dblclick()
@@ -274,31 +276,31 @@ describe('Autocompletion', () => {
 
   describe('collapsable blocks', () => {
     it('via Enter', () => {
-      cy.get('.CodeMirror textarea')
-      .type('<d')
+      cy.get('@codeinput')
+        .fill('<d')
       cy.get('.CodeMirror-hints')
-      .should('exist')
-      cy.get('.CodeMirror textarea')
-      .type('{enter}')
+        .should('exist')
+      cy.get('@codeinput')
+        .type('{enter}')
       cy.get('.CodeMirror-hints')
-      .should('not.exist')
+        .should('not.exist')
       cy.get('.CodeMirror-activeline > .CodeMirror-line > span')
-      .should('have.text', '</details>') // after selecting the hint, the last line of the inserted suggestion is active
+        .should('have.text', '</details>') // after selecting the hint, the last line of the inserted suggestion is active
       cy.get('.markdown-body > details')
-      .should('exist')
+        .should('exist')
     })
     it('via doubleclick', () => {
-      cy.get('.CodeMirror textarea')
-      .type('<d')
+      cy.get('@codeinput')
+        .fill('<d')
       cy.get('.CodeMirror-hints > li')
-      .first()
-      .dblclick()
+        .first()
+        .dblclick()
       cy.get('.CodeMirror-hints')
-      .should('not.exist')
+        .should('not.exist')
       cy.get('.CodeMirror-activeline > .CodeMirror-line > span')
-      .should('have.text', '</details>')
+        .should('have.text', '</details>')
       cy.get('.markdown-body > details')
-      .should('exist')
+        .should('exist')
     })
   })
 })
diff --git a/cypress/integration/code.spec.ts b/cypress/integration/code.spec.ts
index dcf5d29fe..89e1c0b91 100644
--- a/cypress/integration/code.spec.ts
+++ b/cypress/integration/code.spec.ts
@@ -13,22 +13,24 @@ describe('Code', () => {
     })
     cy.get('.btn.active.btn-outline-secondary > i.fa-columns')
       .should('exist')
-    cy.get('.CodeMirror textarea')
-      .type('{ctrl}a', { force: true })
-      .type('{backspace}')
+
+    cy.get('.CodeMirror')
+      .click()
+      .get('textarea')
+      .as('codeinput')
   })
 
   describe('without = doesn\'t show gutter', () => {
     it('without wrapLines active', () => {
-      cy.get('.CodeMirror textarea')
-        .type('```javascript \nlet x = 0\n```')
+      cy.get('@codeinput')
+        .fill('```javascript \nlet x = 0\n```')
       cy.get('.markdown-body > pre > code')
         .should('have.class', 'hljs')
     })
 
     it('with wrapLines active', () => {
-      cy.get('.CodeMirror textarea')
-        .type('```javascript!\nlet x = 0\n```')
+      cy.get('@codeinput')
+        .fill('```javascript!\nlet x = 0\n```')
       cy.get('.markdown-body > pre > code')
         .should('have.class', 'hljs')
         .should('have.class', 'wrapLines')
@@ -37,8 +39,8 @@ describe('Code', () => {
 
   describe('with = shows gutter', () => {
     it('without wrapLines active', () => {
-      cy.get('.CodeMirror textarea')
-        .type('```javascript=\nlet x = 0\n```')
+      cy.get('@codeinput')
+        .fill('```javascript=\nlet x = 0\n```')
       cy.get('.markdown-body > pre > code')
         .should('have.class', 'hljs')
         .should('have.class', 'showGutter')
@@ -48,8 +50,8 @@ describe('Code', () => {
     })
 
     it('with wrapLines active', () => {
-      cy.get('.CodeMirror textarea')
-        .type('```javascript=! \nlet x = 0\n```')
+      cy.get('@codeinput')
+        .fill('```javascript=! \nlet x = 0\n```')
       cy.get('.markdown-body > pre > code')
         .should('have.class', 'hljs')
         .should('have.class', 'showGutter')
@@ -62,8 +64,8 @@ describe('Code', () => {
 
   describe('with = shows gutter and number is used as startline', () => {
     it('without wrapLines active', () => {
-      cy.get('.CodeMirror textarea')
-        .type('```javascript=100\nlet x = 0\n```')
+      cy.get('@codeinput')
+        .fill('```javascript=100\nlet x = 0\n```')
       cy.get('.markdown-body > pre > code')
         .should('have.class', 'hljs')
         .should('have.class', 'showGutter')
@@ -73,8 +75,8 @@ describe('Code', () => {
     })
 
     it('with wrapLines active', () => {
-      cy.get('.CodeMirror textarea')
-        .type('```javascript=100! \nlet x = 0\n```')
+      cy.get('@codeinput')
+        .fill('```javascript=100! \nlet x = 0\n```')
       cy.get('.markdown-body > pre > code')
         .should('have.class', 'hljs')
         .should('have.class', 'showGutter')
@@ -86,11 +88,11 @@ describe('Code', () => {
   })
 
   it('has a button', () => {
-    cy.get('.CodeMirror textarea')
-      .type('```javascript \nlet x = 0\n```')
+    cy.get('@codeinput')
+      .fill('```javascript \nlet x = 0\n```')
     cy.get('.markdown-body > pre > div > button > i')
       .should('have.class', 'fa-files-o')
       .click()
-    cy.get('@copy').should('be.calledWithExactly', 'let x = 0\n');
+    cy.get('@copy').should('be.calledWithExactly', 'let x = 0\n')
   })
 })
diff --git a/cypress/integration/documentTitle.spec.ts b/cypress/integration/documentTitle.spec.ts
index 23a15af5b..a23f4104d 100644
--- a/cypress/integration/documentTitle.spec.ts
+++ b/cypress/integration/documentTitle.spec.ts
@@ -12,80 +12,94 @@ describe('Document Title', () => {
     cy.visit('/n/test')
     cy.get('.btn.active.btn-outline-secondary > i.fa-columns')
       .should('exist')
-    cy.get('.CodeMirror textarea')
-      .type('{ctrl}a', { force: true })
-      .type('{backspace}')
+
+    cy.get('.CodeMirror')
+      .click()
+      .get('textarea')
+      .as('codeinput')
   })
 
   describe('title should be yaml metadata title', () => {
     it('just yaml metadata title', () => {
-      cy.get('.CodeMirror textarea')
-        .type(`---\ntitle: ${title}\n---`)
-      cy.title().should('eq', `${title} - HedgeDoc @ ${branding.name}`)
+      cy.get('@codeinput')
+        .fill(`---\ntitle: ${title}\n---`)
+      cy.title()
+        .should('eq', `${title} - HedgeDoc @ ${branding.name}`)
     })
 
     it('yaml metadata title and opengraph title', () => {
-      cy.get('.CodeMirror textarea')
-        .type(`---\ntitle: ${title}\nopengraph:\n  title: False title\n{backspace}{backspace}---`)
-      cy.title().should('eq', `${title} - HedgeDoc @ ${branding.name}`)
+      cy.get('@codeinput')
+        .fill(`---\ntitle: ${title}\nopengraph:\n  title: False title\n---`)
+      cy.title()
+        .should('eq', `${title} - HedgeDoc @ ${branding.name}`)
     })
 
     it('yaml metadata title, opengraph title and first heading', () => {
-      cy.get('.CodeMirror textarea')
-        .type(`---\ntitle: ${title}\nopengraph:\n  title: False title\n{backspace}{backspace}---\n# a first title`)
-      cy.title().should('eq', `${title} - HedgeDoc @ ${branding.name}`)
+      cy.get('@codeinput')
+        .fill(`---\ntitle: ${title}\nopengraph:\n  title: False title\n---\n# a first title`)
+      cy.title()
+        .should('eq', `${title} - HedgeDoc @ ${branding.name}`)
     })
   })
 
   describe('title should be opengraph title', () => {
     it('just opengraph title', () => {
-      cy.get('.CodeMirror textarea')
-        .type(`---\nopengraph:\n  title: ${title}\n{backspace}{backspace}---`)
-      cy.title().should('eq', `${title} - HedgeDoc @ ${branding.name}`)
+      cy.get('@codeinput')
+        .fill(`---\nopengraph:\n  title: ${title}\n---`)
+      cy.title()
+        .should('eq', `${title} - HedgeDoc @ ${branding.name}`)
     })
 
     it('opengraph title and first heading', () => {
-      cy.get('.CodeMirror textarea')
-        .type(`---\nopengraph:\n  title: ${title}\n{backspace}{backspace}---\n# a first title`)
-      cy.title().should('eq', `${title} - HedgeDoc @ ${branding.name}`)
+      cy.get('@codeinput')
+        .fill(`---\nopengraph:\n  title: ${title}\n---\n# a first title`)
+      cy.title()
+        .should('eq', `${title} - HedgeDoc @ ${branding.name}`)
     })
   })
 
   describe('title should be first heading', () => {
     it('just first heading', () => {
-      cy.get('.CodeMirror textarea')
-        .type(`# ${title}`)
-      cy.title().should('eq', `${title} - HedgeDoc @ ${branding.name}`)
+      cy.get('@codeinput')
+        .fill(`# ${title}`)
+      cy.title()
+        .should('eq', `${title} - HedgeDoc @ ${branding.name}`)
     })
 
     it('just first heading with alt-text instead of image', () => {
-      cy.get('.CodeMirror textarea')
-        .type(`# ${title} ![abc](https://dummyimage.com/48)`)
-      cy.title().should('eq', `${title} abc - HedgeDoc @ ${branding.name}`)
+      cy.get('@codeinput')
+        .fill(`# ${title} ![abc](https://dummyimage.com/48)`)
+      cy.title()
+        .should('eq', `${title} abc - HedgeDoc @ ${branding.name}`)
     })
 
     it('just first heading without link syntax', () => {
-      cy.get('.CodeMirror textarea')
-        .type(`# ${title} [link](https://hedgedoc.org)`)
-      cy.title().should('eq', `${title} link - HedgeDoc @ ${branding.name}`)
+      cy.get('@codeinput')
+        .fill(`# ${title} [link](https://hedgedoc.org)`)
+      cy.title()
+        .should('eq', `${title} link - HedgeDoc @ ${branding.name}`)
     })
 
     it('markdown syntax removed first', () => {
-      cy.get('.CodeMirror textarea')
-        .type(`# ${title} 1*2*3 4*5**`)
-      cy.title().should('eq', `${title} 123 4*5** - HedgeDoc @ ${branding.name}`)
+      cy.get('@codeinput')
+        .fill(`# ${title} 1*2*3 4*5**`)
+      cy.title()
+        .should('eq', `${title} 123 4*5** - HedgeDoc @ ${branding.name}`)
     })
 
     it('markdown syntax removed second', () => {
-      cy.get('.CodeMirror textarea')
-        .type(`# ${title} **1 2*`)
-      cy.title().should('eq', `${title} *1 2 - HedgeDoc @ ${branding.name}`)
+      cy.get('@codeinput')
+        .fill(`# ${title} **1 2*`)
+      cy.title()
+        .should('eq', `${title} *1 2 - HedgeDoc @ ${branding.name}`)
     })
 
     it('markdown syntax removed third', () => {
-      cy.get('.CodeMirror textarea')
-      .type(`# ${title} _asd_`)
-      cy.title().should('eq', `${title} asd - HedgeDoc @ ${branding.name}`)
+      cy.get('a')
+        .get('@codeinput')
+        .fill(`# ${title} _asd_`)
+      cy.title()
+        .should('eq', `${title} asd - HedgeDoc @ ${branding.name}`)
     })
   })
 })
diff --git a/cypress/integration/editorMode.spec.ts b/cypress/integration/editorMode.spec.ts
index 5fbecc894..4574e1b2f 100644
--- a/cypress/integration/editorMode.spec.ts
+++ b/cypress/integration/editorMode.spec.ts
@@ -7,18 +7,25 @@
 describe('Editor mode from URL parameter is used', () => {
   it('mode view', () => {
     cy.visit('/n/features?view')
-    cy.get('.splitter.left').should('have.class', 'd-none')
-    cy.get('.splitter.right').should('not.have.class', 'd-none')
+    cy.get('.splitter.left')
+      .should('have.class', 'd-none')
+    cy.get('.splitter.right')
+      .should('not.have.class', 'd-none')
   })
   it('mode both', () => {
     cy.visit('/n/features?both')
-    cy.get('.splitter.left').should('not.have.class', 'd-none')
-    cy.get('.splitter.separator').should('exist')
-    cy.get('.splitter.right').should('not.have.class', 'd-none')
+    cy.get('.splitter.left')
+      .should('not.have.class', 'd-none')
+    cy.get('.splitter.separator')
+      .should('exist')
+    cy.get('.splitter.right')
+      .should('not.have.class', 'd-none')
   })
   it('mode edit', () => {
     cy.visit('/n/features?edit')
-    cy.get('.splitter.left').should('not.have.class', 'd-none')
-    cy.get('.splitter.right').should('have.class', 'd-none')
+    cy.get('.splitter.left')
+      .should('not.have.class', 'd-none')
+    cy.get('.splitter.right')
+      .should('have.class', 'd-none')
   })
 })
diff --git a/cypress/integration/export.spec.ts b/cypress/integration/export.spec.ts
index 9cc60fd32..05ebfdf89 100644
--- a/cypress/integration/export.spec.ts
+++ b/cypress/integration/export.spec.ts
@@ -4,19 +4,18 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-const testTitle = 'testContent'
-const testContent = `---\ntitle: ${testTitle}\n---\nThis is some test content`
-
 describe('Export', () => {
+  const testTitle = 'testContent'
+  const testContent = `---\ntitle: ${testTitle}\n---\nThis is some test content`
+
   beforeEach(() => {
     cy.visit('/n/test')
     cy.get('.btn.active.btn-outline-secondary > i.fa-columns')
       .should('exist')
-    cy.get('.CodeMirror textarea')
-      .type('{ctrl}a', { force: true })
-      .type('{backspace}')
-    cy.get('.CodeMirror textarea')
-      .type(testContent)
+    cy.get('.CodeMirror')
+      .click()
+      .get('textarea')
+      .fill(testContent)
   })
 
   it('Markdown', () => {
@@ -28,27 +27,27 @@ describe('Export', () => {
       .then((anchor) => (
         new Cypress.Promise((resolve: any, _: any) => {
           // Use XHR to get the blob that corresponds to the object URL.
-          const xhr = new XMLHttpRequest();
-          xhr.open('GET', anchor.prop('href'), true);
-          xhr.responseType = 'blob';
+          const xhr = new XMLHttpRequest()
+          xhr.open('GET', anchor.prop('href'), true)
+          xhr.responseType = 'blob'
 
           // Once loaded, use FileReader to get the string back from the blob.
           xhr.onload = () => {
             if (xhr.status === 200) {
-              const blob = xhr.response;
-              const reader = new FileReader();
+              const blob = xhr.response
+              const reader = new FileReader()
               reader.onload = () => {
                 // Once we have a string, resolve the promise to let
                 // the Cypress chain continue, e.g. to assert on the result.
-                resolve(reader.result);
-              };
-              reader.readAsText(blob);
+                resolve(reader.result)
+              }
+              reader.readAsText(blob)
             }
-          };
-          xhr.send();
+          }
+          xhr.send()
         })
       ))
       // Now the regular Cypress assertions should work.
-      .should('equal', testContent);
+      .should('equal', testContent)
   })
 })
diff --git a/cypress/integration/upload.spec.ts b/cypress/integration/fileUpload.spec.ts
similarity index 80%
rename from cypress/integration/upload.spec.ts
rename to cypress/integration/fileUpload.spec.ts
index 37eae2b3f..8e2866459 100644
--- a/cypress/integration/upload.spec.ts
+++ b/cypress/integration/fileUpload.spec.ts
@@ -6,28 +6,30 @@
 
 const imageUrl = 'http://example.com/non-existing.png'
 
-describe('Upload', () => {
+describe('File upload', () => {
   beforeEach(() => {
     cy.visit('/n/test')
-    cy.get('.btn.active.btn-outline-secondary > i.fa-columns')
-      .should('exist')
-    cy.get('.CodeMirror textarea')
-      .type('{ctrl}a', { force: true })
-      .type('{backspace}')
+    cy.get('.CodeMirror')
+      .click()
+      .get('textarea')
+      .as('codeinput')
   })
 
-  it('check that text drag\'n\'drop still works', () => {
+  it('doesn\'t prevent drag\'n\'drop of plain text', () => {
     const dataTransfer = new DataTransfer()
-    cy.get('.CodeMirror textarea')
-      .type('line 1\nline 2\nline3')
-    cy.get('.CodeMirror-activeline > .CodeMirror-line > span')
+    cy.get('@codeinput')
+      .fill('line 1\nline 2\ndragline')
+    cy.get('.CodeMirror')
+      .click()
+    cy.get('.CodeMirror-line > span')
+      .last()
       .dblclick()
     cy.get('.CodeMirror-line > span > .cm-matchhighlight')
       .trigger('dragstart', { dataTransfer })
     cy.get('.CodeMirror-code > div:nth-of-type(1) > .CodeMirror-line > span  span')
       .trigger('drop', { dataTransfer })
     cy.get('.CodeMirror-code > div:nth-of-type(1) > .CodeMirror-line > span  span')
-      .should('have.text', 'linline3e 1')
+      .should('have.text', 'lindraglinee 1')
   })
 
   describe('upload works', () => {
@@ -60,7 +62,7 @@ describe('Upload', () => {
         }
         cy.get('.CodeMirror-scroll').trigger('paste', pasteEvent)
         cy.get('.CodeMirror-activeline > .CodeMirror-line > span')
-        .should('have.text', `![](${imageUrl})`)
+          .should('have.text', `![](${imageUrl})`)
       })
     })
 
@@ -75,13 +77,13 @@ describe('Upload', () => {
         cy.get('.CodeMirror-scroll').trigger('dragenter', dropEvent)
         cy.get('.CodeMirror-scroll').trigger('drop', dropEvent)
         cy.get('.CodeMirror-activeline > .CodeMirror-line > span')
-        .should('have.text', `![](${imageUrl})`)
+          .should('have.text', `![](${imageUrl})`)
       })
     })
   })
 
   it('upload fails', () => {
-    cy.get('.CodeMirror textarea')
+    cy.get('@codeinput')
       .type('not empty')
     cy.intercept({
       method: 'POST',
@@ -91,8 +93,10 @@ describe('Upload', () => {
     })
     cy.get('.fa-upload')
       .click()
-    cy.get('input[type=file]')
-      .attachFile({ filePath: 'acme.png', mimeType: 'image/png' })
+    cy.fixture('acme.png').then(() => {
+      cy.get('input[type=file]')
+        .attachFile({ filePath: 'acme.png', mimeType: 'image/png' })
+    })
     cy.get('.CodeMirror-activeline > .CodeMirror-line > span')
       .should('have.text', 'not empty')
   })
diff --git a/cypress/integration/import.spec.ts b/cypress/integration/import.spec.ts
index 051ab7551..1fe81f0da 100644
--- a/cypress/integration/import.spec.ts
+++ b/cypress/integration/import.spec.ts
@@ -9,9 +9,6 @@ describe('Import markdown file', () => {
     cy.visit('/n/test')
     cy.get('.btn.active.btn-outline-secondary > i.fa-columns')
       .should('exist')
-    cy.get('.CodeMirror textarea')
-      .type('{ctrl}a', { force: true })
-      .type('{backspace}')
   })
 
   it('import on blank note', () => {
@@ -28,8 +25,11 @@ describe('Import markdown file', () => {
   })
 
   it('import on note with content', () => {
-    cy.get('.CodeMirror textarea')
-      .type('test\nabc', { force: true })
+
+    cy.get('.CodeMirror')
+      .click()
+      .get('textarea')
+      .fill('test\nabc')
     cy.get('button#editor-menu-import')
       .click()
     cy.get('.import-md-file')
diff --git a/cypress/integration/maxLength.spec.ts b/cypress/integration/maxLength.spec.ts
index 6cd5de400..79ac62296 100644
--- a/cypress/integration/maxLength.spec.ts
+++ b/cypress/integration/maxLength.spec.ts
@@ -4,52 +4,47 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-const tenChars = '0123456789'
+describe('The status bar text length info', () => {
+  const warningTestContent = ('0123456789'.repeat(10))
+  const dangerTestContent = ('0123456789'.repeat(20))
+  const tooMuchTestContent = `${dangerTestContent}a`
 
-describe('status-bar text-length info', () => {
   beforeEach(() => {
     cy.visit('/n/test')
+
+    cy.get('.CodeMirror ')
+      .click()
     cy.get('.CodeMirror textarea')
-      .type('{ctrl}a', { force: true })
-      .type('{backspace}')
+      .as('codeinput')
   })
 
-  it('tooltip shows full remaining on empty text', () => {
-    cy.get('.status-bar div:nth-child(2) span:nth-child(2)')
+  it('shows the maximal length of the document as number of available characters in the tooltip', () => {
+    cy.get('.status-bar [data-cy="remainingCharacters"]')
       .attribute('title')
       .should('contain', ' 200 ')
   })
 
-  it('color is warning on <= 100 chars remaining', () => {
-    cy.get('.CodeMirror textarea')
-    .fill(tenChars.repeat(10))
-    cy.get('.status-bar div:nth-child(2) span:nth-child(2)')
+  it('color is set to "warning" on <= 100 characters remaining', () => {
+    cy.get('@codeinput')
+      .fill(warningTestContent)
+    cy.get('.status-bar [data-cy="remainingCharacters"]')
       .should('have.class', 'text-warning')
   })
 
-  it('color is danger on <= 0 chars remaining', () => {
-    cy.get('.CodeMirror textarea')
-    .fill(tenChars.repeat(20))
-    cy.get('.status-bar div:nth-child(2) span:nth-child(2)')
-    .should('have.class', 'text-danger')
-  })
-})
-
-describe('show warning if content length > configured max length', () => {
-  beforeEach(() => {
-    cy.visit('/n/test')
-    cy.get('.CodeMirror textarea')
-    .type('{ctrl}a', { force: true })
-    .type('{backspace}')
-    .fill(tenChars.repeat(20))
+  it('color is set to danger on <= 0 characters remaining', () => {
+    cy.get('@codeinput')
+      .fill(dangerTestContent)
+    cy.get('.status-bar [data-cy="remainingCharacters"]')
+      .should('have.class', 'text-danger')
   })
 
-  it('show warning alert in renderer and as modal', () => {
-    cy.get('.CodeMirror textarea')
-      .type('a')
-    cy.get('.modal-body.limit-warning')
+  it('shows a warning and opens a modal', () => {
+    cy.get('@codeinput')
+      .fill(tooMuchTestContent)
+    cy.get('[data-cy="limitReachedModal"]')
+      .should('be.visible')
+    cy.get('[data-cy="limitReachedMessage"]')
       .should('be.visible')
-    cy.get('.splitter .alert-danger')
-    .should('be.visible')
   })
+
 })
diff --git a/cypress/integration/metadata.spec.ts b/cypress/integration/metadata.spec.ts
deleted file mode 100644
index 9e7185edd..000000000
--- a/cypress/integration/metadata.spec.ts
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2021 The HedgeDoc developers (see AUTHORS file)
- *
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-describe('yaml-metadata: tags', () => {
-  beforeEach(() => {
-    cy.visit('/n/features')
-    cy.get('.CodeMirror textarea')
-    .type('{ctrl}a', { force: true })
-    .type('{backspace}')
-  })
-
-  it('show deprecation notice on old syntax', () => {
-    cy.get('.CodeMirror textarea')
-      .type('---\ntags: a, b, c\n---')
-    cy.get('.splitter.right .w-100.h-100 .alert.alert-warning')
-      .should('be.visible')
-  })
-
-  it('show no deprecation notice on yaml-array (1)', () => {
-    cy.get('.CodeMirror textarea')
-    .type('---\ntags: [\'a\', \'b\', \'c\']\n---')
-    cy.get('.splitter.right .w-100.h-100 .alert.alert-warning')
-    .should('not.exist')
-  })
-
-  it('show no deprecation notice on yaml-array (2)', () => {
-    cy.get('.CodeMirror textarea')
-    .type('---\ntags:\n  - a\nb\nc\n')
-    .type('{backspace}{backspace}{backspace}{backspace}')
-    .type('---')
-    cy.get('.splitter.right .w-100.h-100 .alert.alert-warning')
-    .should('not.exist')
-  })
-})
diff --git a/cypress/integration/toolbar.spec.ts b/cypress/integration/toolbar.spec.ts
index de46aaa32..2e3a96b38 100644
--- a/cypress/integration/toolbar.spec.ts
+++ b/cypress/integration/toolbar.spec.ts
@@ -4,23 +4,38 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-const testText = 'textText'
-const testLink = 'http://hedgedoc.org'
-
 describe('Toolbar', () => {
+  const testText = 'textText'
+  const testLink = 'http://hedgedoc.org'
+
   beforeEach(() => {
     cy.visit('/n/test')
-    cy.get('.btn.active.btn-outline-secondary > i.fa-columns')
-      .should('exist')
-    cy.get('.CodeMirror textarea')
-      .type('{ctrl}a', { force: true })
-      .type('{backspace}')
-    cy.viewport(1920, 1080)
+
+    cy.get('.CodeMirror')
+      .click()
+      .get('textarea')
+      .as('codeinput')
   })
 
+  const fillTestText = () => {
+    cy.get('@codeinput')
+      .fill(testText)
+    cy.get('.CodeMirror-line > span')
+      .should("exist")
+      .should('have.text', testText)
+  }
+
+  const fillTestLink = () => {
+    cy.get('@codeinput')
+      .fill(testLink)
+    cy.get('.CodeMirror-line > span')
+      .should("exist")
+      .should('have.text', testLink)
+  }
+
   it('bold', () => {
-    cy.get('.CodeMirror textarea')
-      .type(`${testText}`)
+    fillTestText()
+    cy.get('@codeinput')
       .type('{ctrl}a')
     cy.get('.fa-bold')
       .click()
@@ -29,8 +44,8 @@ describe('Toolbar', () => {
   })
 
   it('italic', () => {
-    cy.get('.CodeMirror textarea')
-      .type(`${testText}`)
+    fillTestText()
+    cy.get('@codeinput')
       .type('{ctrl}a')
     cy.get('.fa-italic')
       .click()
@@ -39,8 +54,8 @@ describe('Toolbar', () => {
   })
 
   it('underline', () => {
-    cy.get('.CodeMirror textarea')
-      .type(`${testText}`)
+    fillTestText()
+    cy.get('@codeinput')
       .type('{ctrl}a')
     cy.get('.fa-underline')
       .click()
@@ -49,8 +64,8 @@ describe('Toolbar', () => {
   })
 
   it('strikethrough', () => {
-    cy.get('.CodeMirror textarea')
-      .type(`${testText}`)
+    fillTestText()
+    cy.get('@codeinput')
       .type('{ctrl}a')
     cy.get('.fa-strikethrough')
       .click()
@@ -59,8 +74,8 @@ describe('Toolbar', () => {
   })
 
   it('subscript', () => {
-    cy.get('.CodeMirror textarea')
-      .type(`${testText}`)
+    fillTestText()
+    cy.get('@codeinput')
       .type('{ctrl}a')
     cy.get('.fa-subscript')
       .click()
@@ -69,8 +84,8 @@ describe('Toolbar', () => {
   })
 
   it('superscript', () => {
-    cy.get('.CodeMirror textarea')
-      .type(`${testText}`)
+    fillTestText()
+    cy.get('@codeinput')
       .type('{ctrl}a')
     cy.get('.fa-superscript')
       .click()
@@ -79,8 +94,7 @@ describe('Toolbar', () => {
   })
 
   it('heading', () => {
-    cy.get('.CodeMirror textarea')
-      .type(`${testText}`)
+    fillTestText()
     cy.get('.fa-header')
       .click()
     cy.get('.CodeMirror-activeline > .CodeMirror-line > span')
@@ -93,8 +107,8 @@ describe('Toolbar', () => {
 
   describe('code', () => {
     it('nothing selected empty line', () => {
-      cy.get('.CodeMirror textarea')
-        .type(`${testText}`)
+      fillTestText()
+      cy.get('@codeinput')
         .type('{ctrl}a')
         .type('{backspace}')
       cy.get('.fa-code')
@@ -106,8 +120,8 @@ describe('Toolbar', () => {
     })
 
     it('nothing selected non line', () => {
-      cy.get('.CodeMirror textarea')
-        .type(`${testText}`)
+      fillTestText()
+      cy.get('@codeinput')
         .type('{ctrl}a')
         .type('{leftArrow}')
       cy.get('.fa-code')
@@ -121,8 +135,8 @@ describe('Toolbar', () => {
     })
 
     it('line selected', () => {
-      cy.get('.CodeMirror textarea')
-        .type(`${testText}`)
+      fillTestText()
+      cy.get('@codeinput')
         .type('{ctrl}a')
       cy.get('.fa-code')
         .click()
@@ -136,8 +150,7 @@ describe('Toolbar', () => {
   })
 
   it('quote', () => {
-    cy.get('.CodeMirror textarea')
-      .type(`${testText}`)
+    fillTestText()
     cy.get('.fa-quote-right')
       .click()
     cy.get('.CodeMirror-activeline > .CodeMirror-line > span')
@@ -149,8 +162,7 @@ describe('Toolbar', () => {
   })
 
   it('unordered list', () => {
-    cy.get('.CodeMirror textarea')
-      .type(`${testText}`)
+    fillTestText()
     cy.get('.fa-list')
       .click()
     cy.get('.CodeMirror-activeline > .CodeMirror-line > span')
@@ -162,8 +174,7 @@ describe('Toolbar', () => {
   })
 
   it('ordered list', () => {
-    cy.get('.CodeMirror textarea')
-      .type(`${testText}`)
+    fillTestText()
     cy.get('.fa-list-ol')
       .click()
     cy.get('.CodeMirror-activeline > .CodeMirror-line > span')
@@ -175,8 +186,7 @@ describe('Toolbar', () => {
   })
 
   it('todo list', () => {
-    cy.get('.CodeMirror textarea')
-      .type(`${testText}`)
+    fillTestText()
     cy.get('.fa-check-square')
       .click()
     cy.get('.CodeMirror-activeline > .CodeMirror-line > span')
@@ -189,8 +199,8 @@ describe('Toolbar', () => {
 
   describe('link', () => {
     it('with selection text', () => {
-      cy.get('.CodeMirror textarea')
-        .type(`${testText}`)
+      fillTestText()
+      cy.get('@codeinput')
         .type('{ctrl}a')
       cy.get('.fa-link')
         .click()
@@ -199,8 +209,7 @@ describe('Toolbar', () => {
     })
 
     it('without selection', () => {
-      cy.get('.CodeMirror textarea')
-        .type(`${testText}`)
+      fillTestText()
       cy.get('.fa-link')
         .click()
       cy.get('.CodeMirror-activeline > .CodeMirror-line > span')
@@ -208,8 +217,8 @@ describe('Toolbar', () => {
     })
 
     it('with selection link', () => {
-      cy.get('.CodeMirror textarea')
-        .type(`${testLink}`)
+      fillTestLink()
+      cy.get('@codeinput')
         .type('{ctrl}a')
       cy.get('.fa-link')
         .click()
@@ -220,8 +229,8 @@ describe('Toolbar', () => {
 
   describe('image', () => {
     it('with selection', () => {
-      cy.get('.CodeMirror textarea')
-        .type(`${testText}`)
+      fillTestText()
+      cy.get('@codeinput')
         .type('{ctrl}a')
       cy.get('.fa-picture-o')
         .click()
@@ -230,8 +239,7 @@ describe('Toolbar', () => {
     })
 
     it('without selection', () => {
-      cy.get('.CodeMirror textarea')
-        .type(`${testText}`)
+      fillTestText()
       cy.get('.fa-picture-o')
         .click()
       cy.get('.CodeMirror-activeline > .CodeMirror-line > span')
@@ -239,8 +247,8 @@ describe('Toolbar', () => {
     })
 
     it('with selection link', () => {
-      cy.get('.CodeMirror textarea')
-        .type(`${testLink}`)
+      fillTestLink()
+      cy.get('@codeinput')
         .type('{ctrl}a')
       cy.get('.fa-picture-o')
         .click()
@@ -312,9 +320,9 @@ describe('Toolbar', () => {
 
   it('collapsable block', () => {
     cy.get('.fa-caret-square-o-down')
-     .click()
+      .click()
     cy.get('.CodeMirror-code > div:nth-of-type(2) > .CodeMirror-line > span  span')
-     .should('have.text', '<details>')
+      .should('have.text', '<details>')
   })
 
   it('comment', () => {
diff --git a/cypress/integration/yamlArrayDeprecationMessage.spec.ts b/cypress/integration/yamlArrayDeprecationMessage.spec.ts
new file mode 100644
index 000000000..4747ab111
--- /dev/null
+++ b/cypress/integration/yamlArrayDeprecationMessage.spec.ts
@@ -0,0 +1,37 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+describe('YAML Array for deprecated syntax of document tags in frontmatter', () => {
+  beforeEach(() => {
+    cy.visit('/n/features')
+
+    cy.get('.CodeMirror')
+      .click()
+      .get('textarea')
+      .as('codeinput')
+  })
+
+  it('is shown when using old syntax', () => {
+    cy.get('@codeinput')
+      .fill('---\ntags: a, b, c\n---')
+    cy.get('[data-cy="yamlArrayDeprecationAlert"]')
+      .should('be.visible')
+  })
+
+  it('isn\'t shown when using inline yaml-array', () => {
+    cy.get('@codeinput')
+      .fill('---\ntags: [\'a\', \'b\', \'c\']\n---')
+    cy.get('[data-cy="yamlArrayDeprecationAlert"]')
+      .should('not.exist')
+  })
+
+  it('isn\'t shown when using multi line yaml-array', () => {
+    cy.get('@codeinput')
+      .fill('---\ntags:\n  - a\n  - b\n  - c\n---')
+    cy.get('[data-cy="yamlArrayDeprecationAlert"]')
+      .should('not.exist')
+  })
+})
diff --git a/src/components/common/modals/common-modal.tsx b/src/components/common/modals/common-modal.tsx
index 0f2ed265e..e2c655ed0 100644
--- a/src/components/common/modals/common-modal.tsx
+++ b/src/components/common/modals/common-modal.tsx
@@ -26,7 +26,7 @@ export const CommonModal: React.FC<CommonModalProps> = ({ show, onHide, titleI18
   useTranslation()
 
   return (
-    <Modal show={show} onHide={onHide} animation={true} dialogClassName={`text-dark ${additionalClasses ?? ''}`} size={size}>
+    <Modal data-cy={'limitReachedModal'} show={show} onHide={onHide} animation={true} dialogClassName={`text-dark ${additionalClasses ?? ''}`} size={size}>
       <Modal.Header closeButton={!!closeButton}>
         <Modal.Title>
           <ShowIf condition={!!icon}>
diff --git a/src/components/editor/document-renderer-pane/document-render-pane.tsx b/src/components/editor/document-renderer-pane/document-render-pane.tsx
index 460d94442..88b2c0334 100644
--- a/src/components/editor/document-renderer-pane/document-render-pane.tsx
+++ b/src/components/editor/document-renderer-pane/document-render-pane.tsx
@@ -6,20 +6,18 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 import { TocAst } from 'markdown-it-toc-done-right'
 import React, { RefObject, useRef, useState } from 'react'
-import { Alert, Dropdown } from 'react-bootstrap'
-import { Trans } from 'react-i18next'
+import { Dropdown } from 'react-bootstrap'
 import { useSelector } from 'react-redux'
 import useResizeObserver from 'use-resize-observer'
-import links from '../../../links.json'
 import { ApplicationState } from '../../../redux'
 import { ForkAwesomeIcon } from '../../common/fork-awesome/fork-awesome-icon'
-import { TranslatedExternalLink } from '../../common/links/translated-external-link'
 import { ShowIf } from '../../common/show-if/show-if'
 import { FullMarkdownRenderer } from '../../markdown-renderer/full-markdown-renderer'
 import { LineMarkerPosition } from '../../markdown-renderer/types'
 import { TableOfContents } from '../table-of-contents/table-of-contents'
 import { YAMLMetaData } from '../yaml-metadata/yaml-metadata'
 import { useAdaptedLineMarkerCallback } from './use-adapted-line-markers-callback'
+import { YamlArrayDeprecationAlert } from './yaml-array-deprecation-alert'
 
 export interface DocumentRenderPaneProps {
   extraClasses?: string
@@ -58,11 +56,7 @@ export const DocumentRenderPane: React.FC<DocumentRenderPaneProps> = ({
       <div className={'col-md'}/>
       <div className={'bg-light flex-fill'}>
         <ShowIf condition={yamlDeprecatedTags}>
-          <Alert variant='warning' dir='auto'>
-            <Trans i18nKey='editor.deprecatedTags' />
-            <br/>
-            <TranslatedExternalLink i18nKey={'common.readForMoreInfo'} href={links.faq} className={'text-primary'}/>
-          </Alert>
+          <YamlArrayDeprecationAlert/>
         </ShowIf>
         <div >
         <FullMarkdownRenderer
diff --git a/src/components/editor/document-renderer-pane/yaml-array-deprecation-alert.tsx b/src/components/editor/document-renderer-pane/yaml-array-deprecation-alert.tsx
new file mode 100644
index 000000000..40b4e6a9b
--- /dev/null
+++ b/src/components/editor/document-renderer-pane/yaml-array-deprecation-alert.tsx
@@ -0,0 +1,21 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import React from 'react'
+import { Alert } from 'react-bootstrap'
+import { Trans } from 'react-i18next';
+import { TranslatedExternalLink } from '../../common/links/translated-external-link'
+import links from '../../../links.json'
+
+export const YamlArrayDeprecationAlert: React.FC = () => {
+    return (
+      <Alert data-cy={'yamlArrayDeprecationAlert'} variant='warning' dir='auto'>
+        <Trans i18nKey='editor.deprecatedTags' />
+        <br/>
+        <TranslatedExternalLink i18nKey={'common.readForMoreInfo'} href={links.faq} className={'text-primary'}/>
+      </Alert>
+    );
+}
diff --git a/src/components/editor/editor-modals/max-length-warning-modal.tsx b/src/components/editor/editor-modals/max-length-warning-modal.tsx
index 75594a28e..b7ced8838 100644
--- a/src/components/editor/editor-modals/max-length-warning-modal.tsx
+++ b/src/components/editor/editor-modals/max-length-warning-modal.tsx
@@ -19,8 +19,8 @@ export const MaxLengthWarningModal: React.FC<MaxLengthWarningModalProps> = ({ sh
   useTranslation()
 
   return (
-    <CommonModal show={show} onHide={onHide} titleI18nKey={'editor.error.limitReached.title'} closeButton={true}>
-      <Modal.Body className={'limit-warning'}>
+    <CommonModal data-cy={'limitReachedModal'} show={show} onHide={onHide} titleI18nKey={'editor.error.limitReached.title'} closeButton={true}>
+      <Modal.Body>
         <Trans i18nKey={'editor.error.limitReached.description'} values={{ maxLength }} />
         <strong className='mt-2 d-block'><Trans i18nKey={'editor.error.limitReached.advice'}/></strong>
       </Modal.Body>
diff --git a/src/components/editor/editor-pane/status-bar/status-bar.tsx b/src/components/editor/editor-pane/status-bar/status-bar.tsx
index a2e529a3c..faa0e6f93 100644
--- a/src/components/editor/editor-pane/status-bar/status-bar.tsx
+++ b/src/components/editor/editor-pane/status-bar/status-bar.tsx
@@ -67,6 +67,7 @@ export const StatusBar: React.FC<StatusBarInfo> = ({ position, selectedColumns,
         <span>{t('editor.statusBar.lines', { lines: linesInDocument })}</span>
         &nbsp;–&nbsp;
         <span
+          data-cy={'remainingCharacters'}
           title={getLengthTooltip}
           className={remainingCharacters <= 0 ? 'text-danger' : remainingCharacters <= 100 ? 'text-warning' : ''}
         >
diff --git a/src/components/markdown-renderer/basic-markdown-renderer.tsx b/src/components/markdown-renderer/basic-markdown-renderer.tsx
index 4e4ed36f2..1d00e467a 100644
--- a/src/components/markdown-renderer/basic-markdown-renderer.tsx
+++ b/src/components/markdown-renderer/basic-markdown-renderer.tsx
@@ -62,7 +62,7 @@ export const BasicMarkdownRenderer: React.FC<BasicMarkdownRendererProps & Additi
   return (
     <div className={`${className || ''} d-flex flex-column align-items-center ${wide ? 'wider' : ''}`}>
       <ShowIf condition={content.length > maxLength}>
-        <Alert variant='danger' dir={'auto'}>
+        <Alert variant='danger' dir={'auto'} data-cy={'limitReachedMessage'}>
           <Trans i18nKey={'editor.error.limitReached.description'} values={{ maxLength }}/>
         </Alert>
       </ShowIf>
diff --git a/src/components/markdown-renderer/replace-components/sequence-diagram/deprecation-warning.tsx b/src/components/markdown-renderer/replace-components/sequence-diagram/deprecation-warning.tsx
index bea4bee5c..92fcd681c 100644
--- a/src/components/markdown-renderer/replace-components/sequence-diagram/deprecation-warning.tsx
+++ b/src/components/markdown-renderer/replace-components/sequence-diagram/deprecation-warning.tsx
@@ -14,7 +14,7 @@ export const DeprecationWarning: React.FC = () => {
   useTranslation()
 
   return (
-    <Alert className={'mt-2'} variant={'warning'}>
+    <Alert data-cy={'yaml'} className={'mt-2'} variant={'warning'}>
       <Trans i18nKey={'renderer.sequence.deprecationWarning'}/>
       &nbsp;
       <TranslatedExternalLink i18nKey={'common.readForMoreInfo'} className={'text-primary'} href={links.faq}/>
diff --git a/src/index.tsx b/src/index.tsx
index d2b160dad..e6176ea73 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -82,7 +82,7 @@ ReactDOM.render(
 )
 
 if (isTestMode()) {
-  console.log("This build runs in test mode")
+  console.log("This build runs in test mode. This means:\n - No default content in the editor")
 }
 
 // If you want your app to work offline and load faster, you can change