Fix depot_tools tests external dependency

tests/abandon.sh

 #!/bin/bash
 
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Check that abandoning a branch also abandons its issue.
 
 set -e
 
@@ skipping 15 matching lines @@
   test_expect_success "upload succeeds" \
     "$GIT_CL upload -m test master  | grep -q 'Issue created'"
 
   # Switch back to master, delete the branch.
   git checkout master
   git branch -D abandoned
 
   # Verify that "status" doesn't know about it anymore.
   # The "exit" trickiness is inverting the exit status of grep.
   test_expect_success "git-cl status dropped abandoned branch" \
-    "$GIT_CL status | grep -q abandoned && exit 1 || exit 0"
+    "$GIT_CL_STATUS | grep -q abandoned && exit 1 || exit 0"
 )
 
 SUCCESS=$?
 
 cleanup
 
 if [ $SUCCESS == 0 ]; then
   echo PASS
 fi