Bug 717684 - Robocop: better diagnostics when TEST_PATH incorrect; r=jmaher

testing/mochitest/runtestsremote.py

@@ -401,6 +401,7 @@ def main():
           dm.checkCmd(["install", "-r", os.path.join(options.robocopPath, "robocop.apk")])
 
         appname = options.app
+        retVal = None
         for test in robocop_tests:
             if options.testPath and options.testPath != test['name']:
                 continue
@@ -421,6 +422,9 @@ def main():
                 except:
                     pass
                 sys.exit(1)
+        if retVal is None:
+            print "No tests run. Did you pass an invalid TEST_PATH?"
+            retVal = 1         
     else:
       try:
         retVal = mochitest.runTests(options)