CrOS Shelf: Changing shelf alignment isn't expected to be animated

Bug: 1048119
Change-Id: I0ead8b2aaee34a27c030259829ad279a6261c92c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2042314Reviewed-by: Andrew Xu <andrewxu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#739132}

ash/shelf/shelf_layout_manager_unittest.cc

@@ -3298,11 +3298,9 @@ TEST_P(ShelfLayoutManagerTest, ShelfBoundsUpdateAfterOverviewAnimation) {
   {
     OverviewAnimationWaiter overview_waiter;
     overview_controller->StartOverview();
-    ShelfAnimationWaiter shelf_waiter(left_shelf_bounds);
+    // When setting the shelf alignment, bounds aren't expected to animate.
     shelf->SetAlignment(ShelfAlignment::kLeft);
     overview_waiter.Wait();
-    shelf_waiter.WaitForAnimation();
-    EXPECT_TRUE(shelf_waiter.WasValidAnimation());
   }
   EXPECT_EQ(left_shelf_bounds, GetShelfWidget()->GetWindowBoundsInScreen());
 
@@ -3310,11 +3308,9 @@ TEST_P(ShelfLayoutManagerTest, ShelfBoundsUpdateAfterOverviewAnimation) {
   {
     OverviewAnimationWaiter overview_waiter;
     overview_controller->EndOverview();
-    ShelfAnimationWaiter shelf_waiter(bottom_shelf_bounds);
+    // When setting the shelf alignment, bounds aren't expected to animate.
     shelf->SetAlignment(ShelfAlignment::kBottom);
     overview_waiter.Wait();
-    shelf_waiter.WaitForAnimation();
-    EXPECT_TRUE(shelf_waiter.WasValidAnimation());
   }
   EXPECT_EQ(bottom_shelf_bounds, GetShelfWidget()->GetWindowBoundsInScreen());
 }