Merge pull request #3654 from AnalyticalGraphicsInc/test-fix

Fix GlobeSurfaceTileProvider test

Author: Hannah

Specs/Scene/GlobeSurfaceTileProviderSpec.js

@@ -401,7 +401,9 @@ defineSuite([
         frameState.camera.setView({ destination : new Rectangle(0.0000001, 0.0000001, 0.0000025, 0.0000025) });
 
         return pollToPromise(function() {
+            globe.beginFrame(frameState);
             globe.update(frameState);
+            globe.endFrame(frameState);
             return globe._surface.tileProvider.ready && !defined(globe._surface._tileLoadQueue.head) && globe._surface._debug.tilesWaitingForChildren === 0 && globe._surface._debug.maxDepth >= 11;
         }).then(function() {
             expect(render(frameState, globe)).toBeGreaterThan(0);