Extend storage of Testrun Messages and truncate long output

app/assets/javascripts/editor/editor.js.erb

@@ -703,6 +703,8 @@ var CodeOceanEditor = {
             this.showTimeoutMessage();
         } else if (output.status === 'container_depleted') {
             this.showContainerDepletedMessage();
+        } else if (output.status === 'out_of_memory') {
+            this.showOutOfMemoryMessage();
         } else if (output.stderr) {
             $.flash.danger({
                 icon: ['fa', 'fa-bug'],

app/assets/javascripts/editor/execution.js

@@ -46,8 +46,6 @@ CodeOceanEditorWebsocket = {
     this.websocket.on('turtlebatch', this.handleTurtlebatchCommand.bind(this));
     this.websocket.on('render', this.renderWebsocketOutput.bind(this));
     this.websocket.on('exit', this.handleExitCommand.bind(this));
-    this.websocket.on('timeout', this.showTimeoutMessage.bind(this));
-    this.websocket.on('out_of_memory', this.showOutOfMemoryMessage.bind(this));
     this.websocket.on('status', this.showStatus.bind(this));
     this.websocket.on('hint', this.showHint.bind(this));
   },