diff --git a/apps/tests/ui/scroll-view/scroll-view-tests.ts b/apps/tests/ui/scroll-view/scroll-view-tests.ts
index b7b13f395..2b7947f4f 100644
--- a/apps/tests/ui/scroll-view/scroll-view-tests.ts
+++ b/apps/tests/ui/scroll-view/scroll-view-tests.ts
@@ -24,7 +24,7 @@ import scrollViewModule = require("ui/scroll-view");
 
 // </snippet>
 
-var ASYNC = 0.3;
+var ASYNC = 2;
 var tmp: buttonModule.Button;
 var newPage: page.Page;
 
@@ -236,9 +236,7 @@ export function test_scrollToHorizontalOffset_with_animation() {
     // No synchronous change. 
     TKUnit.assertEqual(scrollView.horizontalOffset, 0, "scrollView.horizontalOffset");
 
-    //For some reason this wait here causes the test to fail on PR builds.
-    //TKUnit.waitUntilReady(() => { return scrollView.horizontalOffset === 100 }, ASYNC);
-    TKUnit.wait(1);
+    TKUnit.waitUntilReady(() => { return scrollView.horizontalOffset === 100 }, ASYNC);
 
     // The scrolling animation should be finished by now
     TKUnit.assertAreClose(scrollView.horizontalOffset, 100, 0.1, "scrollView.horizontalOffset");
diff --git a/apps/tests/ui/tab-view/tab-view-tests.ts b/apps/tests/ui/tab-view/tab-view-tests.ts
index 89d1f9210..a60927522 100644
--- a/apps/tests/ui/tab-view/tab-view-tests.ts
+++ b/apps/tests/ui/tab-view/tab-view-tests.ts
@@ -39,7 +39,7 @@ import tabViewModule = require("ui/tab-view");
 // ```
 // </snippet>
 
-var ASYNC = 0.3;
+var ASYNC = 2;
 
 function _createTabView(): tabViewModule.TabView {
     // <snippet module="ui/tab-view" title="TabView">
@@ -545,9 +545,7 @@ function testLoadedAndUnloadedAreFired_WhenNavigatingAwayAndBack(enablePageCache
                 helper.goBack();
             }
             
-            //For some reason this wait here causes the test to fail on PR builds.
-            //TKUnit.waitUntilReady(() => { return items[0].view.isLoaded; }, ASYNC);
-            TKUnit.wait(1);
+            TKUnit.waitUntilReady(() => { return items[0].view.isLoaded; }, ASYNC);
 
             //console.log(">>>>>>>>>>>>> loaded items: " + loadedItems.join(", "));
             //console.log(">>>>>>>>>>>>> unloadedItems items: " + unloadedItems.join(", "));