Creating asynchronous tests for loading buttons, because they have setTimeout() function

js/tests/unit/bootstrap-buttons.js

@@ -15,8 +15,12 @@ $(function () {
         equals(btn.html(), 'mdo', 'btn text equals mdo')
         btn.button('loading')
         equals(btn.html(), 'fat', 'btn text equals fat')
-        ok(btn.attr('disabled'), 'btn is disabled')
-        ok(btn.hasClass('disabled'), 'btn has disabled class')
+        stop()
+        setTimeout(function() {
+          start()
+          ok(btn.attr('disabled'), 'btn is disabled')
+          ok(btn.hasClass('disabled'), 'btn has disabled class')
+        }, 0)
       })
 
       test("should return reset state", function () {
@@ -24,8 +28,12 @@ $(function () {
         equals(btn.html(), 'mdo', 'btn text equals mdo')
         btn.button('loading')
         equals(btn.html(), 'fat', 'btn text equals fat')
-        ok(btn.attr('disabled'), 'btn is disabled')
-        ok(btn.hasClass('disabled'), 'btn is disabled')
+        stop()
+        setTimeout(function() {
+          start()
+          ok(btn.attr('disabled'), 'btn is disabled')  
+          ok(btn.hasClass('disabled'), 'btn is disabled')
+        }, 0)
         btn.button('reset')
         equals(btn.html(), 'mdo', 'btn text equals mdo')
         ok(!btn.attr('disabled'), 'btn is not disabled')