Add a bit more delay between tests

tests_main.js

@@ -11,7 +11,7 @@ require(["jquery", "converse", "mock", "spec/MainSpec", "spec/ChatRoomSpec"], fu
 
     // Jasmine stuff
     var jasmineEnv = jasmine.getEnv();
-    jasmineEnv.updateInterval = 50;
+    jasmineEnv.updateInterval = 250;
     var htmlReporter = new jasmine.HtmlReporter();
     jasmineEnv.addReporter(htmlReporter);
     jasmineEnv.specFilter = function(spec) {