UI tests tweaking, balance jobs between builds, add some wait, display error in case the widget metadata sync request fails (#10694)

* Balance the UI tests job, second half currently 8 min longer

* Update app.js

* Display error  in UI when the Ajax request for widget metadata fails

* Add some wait for the often failing UI test

1 files changed, 2 insertions, 2 deletions

diff --git a/tests/lib/screenshot-testing/support/app.js b/tests/lib/screenshot-testing/support/app.js
index 4617112baf..85a3ec7a0c 100644
--- a/tests/lib/screenshot-testing/support/app.js
+++ b/tests/lib/screenshot-testing/support/app.js
@@ -142,7 +142,7 @@ Application.prototype.loadTestModules = function () {
         // we apply this option only if not a specific plugin or test suite was requested. Only there for travis to
         // split tests into multiple jobs.
         var numTestsFirstHalf = Math.round(mocha.suite.suites.length / 2);
-        numTestsFirstHalf += 7;
+        numTestsFirstHalf += 8;
         mocha.suite.suites = mocha.suite.suites.filter(function (suite, index) {
             if (options['run-first-half-only'] && index < numTestsFirstHalf) {
                 return true;
@@ -264,4 +264,4 @@ Application.prototype.appendMissingExpected = function (screenName) {
     fs.write(missingExpectedFilePath, screenName + "\n", "a");
 };
 
-exports.Application = new Application();
\ No newline at end of file
+exports.Application = new Application();