Fixed DocumentsMenuManagerTest#testRootContextMenu.

These items were suppose to be invisible for DocumentsActivity ... I
forgot to assert them that way.

Bug: 30071769
Change-Id: I842f5bfb2492d31e0837c6ea6cc78d9867bb0a1b
(cherry picked from commit c986d4cedce43c31c5c4f30cb24f402e1c66fead)
diff --git a/packages/DocumentsUI/tests/src/com/android/documentsui/DocumentsMenuManagerTest.java b/packages/DocumentsUI/tests/src/com/android/documentsui/DocumentsMenuManagerTest.java
index b23dd7a..ec03173 100644
--- a/packages/DocumentsUI/tests/src/com/android/documentsui/DocumentsMenuManagerTest.java
+++ b/packages/DocumentsUI/tests/src/com/android/documentsui/DocumentsMenuManagerTest.java
@@ -222,11 +222,8 @@
         DocumentsMenuManager mgr = new DocumentsMenuManager(testSearchManager, state);
         mgr.updateRootContextMenu(testMenu, testRootInfo);
 
-        eject.assertVisible();
-        eject.assertDisabled();
-
-        settings.assertVisible();
-        settings.assertDisabled();
+        eject.assertInvisible();
+        settings.assertInvisible();
     }
 
     @Test