Add explicit wait to JS transcript tests

cms/static/js_spec/transcripts/editor_spec.js

@@ -168,6 +168,8 @@ function ($, Backbone, _, Utils, Editor, MetadataView, MetadataModel, MetadataCo
                         return (displayNameValue !== "" && displayNameValue != "video_id");
                     }, "Defaults never loaded", 1000);
 
+                    runs(function() {
+
                         var displayNameValue = collection[0].getValue();
                         var videoUrlValue = collection[1].getValue();
 
@@ -178,6 +180,7 @@ function ($, Backbone, _, Utils, Editor, MetadataView, MetadataModel, MetadataCo
                             'default.webm'
                         ]);
                     });
+                });
 
                 it('If metadataCollection is not defined', function () {
                     transcripts.syncBasicTab(null);
@@ -220,11 +223,19 @@ function ($, Backbone, _, Utils, Editor, MetadataView, MetadataModel, MetadataCo
                 it('Correct data', function () {
                     transcripts.syncAdvancedTab(metadataCollection);
 
-                    var collection = metadataCollection.models,
-                        displayNameValue = collection[0].getValue(),
-                        subValue = collection[1].getValue(),
-                        html5SourcesValue = collection[2].getValue(),
-                        youtubeValue = collection[3].getValue();
+                    var collection = metadataCollection.models;
+
+                    waitsFor(function() {
+                        var displayNameValue = collection[0].getValue();
+                        return (displayNameValue !== "" && displayNameValue != "video_id");
+                    }, "Defaults never loaded", 1000);
+
+                    runs(function() {
+
+                        var displayNameValue = collection[0].getValue();
+                        var subValue = collection[1].getValue();
+                        var html5SourcesValue = collection[2].getValue();
+                        var youtubeValue = collection[3].getValue();
 
                         expect(displayNameValue).toBe('display value');
                         expect(subValue).toBe('default');
@@ -234,6 +245,7 @@ function ($, Backbone, _, Utils, Editor, MetadataView, MetadataModel, MetadataCo
                         ]);
                         expect(youtubeValue).toBe('12345678901');
                     });
+                });
 
                 it('metadataCollection is not defined', function () {
                     transcripts.syncAdvancedTab(null);