fix unit tests

services/real-time/test/unit/coffee/DocumentUpdaterControllerTests.coffee

@@ -11,7 +11,7 @@ describe "DocumentUpdaterController", ->
 		@callback = sinon.stub()
 		@io = { "mock": "socket.io" }
 		@EditorUpdatesController = SandboxedModule.require modulePath, requires:
-			"logger-sharelatex": @logger = { error: sinon.stub(), log: sinon.stub() }
+			"logger-sharelatex": @logger = { error: sinon.stub(), log: sinon.stub(), warn: sinon.stub() }
 			"settings-sharelatex": @settings =
 				redis:
 					documentupdater:
@@ -125,8 +125,8 @@ describe "DocumentUpdaterController", ->
 				clients: sinon.stub().returns(@clients)
 			@EditorUpdatesController._processErrorFromDocumentUpdater @io, @doc_id, "Something went wrong"
 
-		it "should log out an error", ->
-			@logger.error.called.should.equal true
+		it "should log a warning", ->
+			@logger.warn.called.should.equal true
 
 		it "should disconnect all clients in that document", ->
 			@io.sockets.clients.calledWith(@doc_id).should.equal true

services/real-time/test/unit/coffee/WebsocketControllerTests.coffee

@@ -32,7 +32,7 @@ describe 'WebsocketController', ->
 			"./DocumentUpdaterManager": @DocumentUpdaterManager = {}
 			"./ConnectedUsersManager": @ConnectedUsersManager = {}
 			"./WebsocketLoadBalancer": @WebsocketLoadBalancer = {}
-			"logger-sharelatex": @logger = { log: sinon.stub(), error: sinon.stub() }
+			"logger-sharelatex": @logger = { log: sinon.stub(), error: sinon.stub(), warn: sinon.stub() }
 			"metrics-sharelatex": @metrics =
 				inc: sinon.stub()
 				set: sinon.stub()
@@ -514,8 +514,8 @@ describe 'WebsocketController', ->
 			# it "should disconnect the client", ->
 			# 	@client.disconnect.called.should.equal true
 
-			it "should log an error", ->
-				@logger.error.called.should.equal true
+			it "should log a warning", ->
+				@logger.warn.called.should.equal true
 
 			it "should call the callback with the error", ->
 				@callback.calledWith(@error).should.equal true