Qualify drive label selector to drive tree...return the drive icon to the Cloud Import drop down.

ui/file_manager/file_manager/background/js/test_util.js

Index: ui/file_manager/file_manager/background/js/test_util.js
diff --git a/ui/file_manager/file_manager/background/js/test_util.js b/ui/file_manager/file_manager/background/js/test_util.js
index 08ea431369ac4dd2377df40331e6517ff68442d2..cc44129f9a2d5c16f0c579993f6ad88ec4576f77 100644
--- a/ui/file_manager/file_manager/background/js/test_util.js
+++ b/ui/file_manager/file_manager/background/js/test_util.js
@@ -101,8 +101,8 @@ test.util.sync.openFile = function(contentWindow, filename) {
  *     whether the target is found and mousedown and click events are sent.
  */
 test.util.async.selectVolume = function(contentWindow, iconName, callback) {
-  var query = '[volume-type-icon=' + iconName + ']';
-  var driveQuery = '[volume-type-icon=drive]';
+  var query = '#directory-tree [volume-type-icon=' + iconName + ']';
+  var driveQuery = '#directory-tree [volume-type-icon=drive]';
   var isDriveSubVolume = iconName == 'drive_recent' ||
                          iconName == 'drive_shared_with_me' ||
                          iconName == 'drive_offline';