Bento: AltTabMode: Disable Bento in kLimitAltTabToActiveDesk flag tests

Bug: 1142726
Test: `ash_unittests --gtest_filter=*LimitedWindowCycleControllerTest.CycleShowsActiveDeskWindows*`
Change-Id: If6b4241c96b7b4f94bf35103d352e2d73217d353
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2626606Reviewed-by: Xiaoqian Dai <xdai@chromium.org>
Commit-Queue: Cattalyya Nuengsigkapian <cattalyya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#843648}

ash/wm/window_cycle/window_cycle_controller_unittest.cc

@@ -1026,8 +1026,10 @@ class LimitedWindowCycleControllerTest : public WindowCycleControllerTest {
 
   // WindowCycleControllerTest:
   void SetUp() override {
-    scoped_feature_list_.InitAndEnableFeature(
-        features::kLimitAltTabToActiveDesk);
+    // |features::kBento| overwrites |features::kLimitAltTabToActiveDesk|, so
+    // Bento needs to be disabled first.
+    scoped_feature_list_.InitWithFeatures({features::kLimitAltTabToActiveDesk},
+                                          {features::kBento});
     WindowCycleControllerTest::SetUp();
   }