Remove test flakiness

We should never pass real contexts into a unit test.

Test: atest LockscreenShadeTransitionControllerTest
Fixes: 209528556
Change-Id: I13446b5732327984d375fac6f68154f22374c130
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/LockscreenShadeTransitionControllerTest.kt b/packages/SystemUI/tests/src/com/android/systemui/statusbar/LockscreenShadeTransitionControllerTest.kt
index 7938511..89435ae 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/LockscreenShadeTransitionControllerTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/LockscreenShadeTransitionControllerTest.kt
@@ -6,6 +6,7 @@
 import android.testing.TestableLooper.RunWithLooper
 import android.util.DisplayMetrics
 import com.android.systemui.ExpandHelper
+import com.android.systemui.R
 import com.android.systemui.SysuiTestCase
 import com.android.systemui.classifier.FalsingCollector
 import com.android.systemui.media.MediaHierarchyManager
@@ -81,6 +82,8 @@
                 mDependency,
                 TestableLooper.get(this))
         row = helper.createRow()
+        context.getOrCreateTestableResources()
+                .addOverride(R.bool.config_use_split_notification_shade, false)
         transitionController = LockscreenShadeTransitionController(
             statusBarStateController = statusbarStateController,
             lockscreenGestureLogger = lockscreenGestureLogger,