diff --git a/services/web/test/unit/coffee/ThirdPartyDataStore/UpdateMergerTests.coffee b/services/web/test/unit/coffee/ThirdPartyDataStore/UpdateMergerTests.coffee
index 7bb27413f6..de7c50ac58 100644
--- a/services/web/test/unit/coffee/ThirdPartyDataStore/UpdateMergerTests.coffee
+++ b/services/web/test/unit/coffee/ThirdPartyDataStore/UpdateMergerTests.coffee
@@ -56,6 +56,11 @@ describe 'UpdateMerger :', ->
 					@projectLocator.findElementByPath.calledWith(@project_id, @path).should.equal true
 					done()
 
+			it 'should take a project lock', (done)->
+				@updateMerger.mergeUpdate @user_id, @project_id, @path, @update, @source, =>
+					@LockManager.runWithLock.calledWith(@project_id).should.equal true
+					done()
+
 			it 'should process update as doc', (done)->
 				@updateMerger.mergeUpdate @user_id, @project_id, @filePath, @update, @source, =>
 					@FileTypeManager.isBinary.calledWith(@filePath, @fsPath).should.equal true
@@ -93,6 +98,11 @@ describe 'UpdateMerger :', ->
 				@projectLocator.findElementByPath.calledWith(@project_id, @path).should.equal true
 				done()
 
+		it 'should take a project lock', (done)->
+			@updateMerger.deleteUpdate @user_id, @project_id, @path, @source, =>
+				@LockManager.runWithLock.calledWith(@project_id).should.equal true
+				done()
+
 		it 'should delete the entity in the editor controller with the correct type', (done)->
 			@entity.lines = []
 			@updateMerger.deleteUpdate @user_id, @project_id, @path, @source, =>