Fix PRESUBMIT.py

NOTRY=True
TBR=kjellander@webrtc.org

Bug: webrtc:8197
Change-Id: Ie8b50faec7c6c5f7b9dd259c8312e4cec5748a42
Reviewed-on: https://webrtc-review.googlesource.com/1361
Commit-Queue: Edward Lemur <ehmaldonado@webrtc.org>
Reviewed-by: Charu Jain <charujain@webrtc.org>
Reviewed-by: Edward Lemur <ehmaldonado@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#19838}
diff --git a/PRESUBMIT.py b/PRESUBMIT.py
index 1666c6b..927869f 100755
--- a/PRESUBMIT.py
+++ b/PRESUBMIT.py
@@ -493,7 +493,7 @@
     return input_api.os_path.join(input_api.PresubmitLocalPath(), *args)
 
   test_directories = [
-      '/',
+      input_api.PresubmitLocalPath(),
       Join('webrtc', 'rtc_tools', 'py_event_log_analyzer'),
       Join('webrtc', 'rtc_tools'),
       Join('webrtc', 'audio', 'test', 'unittests'),
diff --git a/presubmit_test.py b/presubmit_test.py
old mode 100644
new mode 100755
index d8dd94e..2d0dc55
--- a/presubmit_test.py
+++ b/presubmit_test.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python2
 import unittest
 
 import PRESUBMIT
@@ -10,7 +11,7 @@
     mock_output_api = MockOutputApi()
     mock_input_api.change.BUG = 'webrtc:1234'
     errors = PRESUBMIT.CheckCommitMessageBugEntry(mock_input_api,
-                                                   mock_output_api)
+                                                  mock_output_api)
     self.assertEqual(0, len(errors))
 
   def testCommitMessageBugEntryReturnError(self):
@@ -18,7 +19,7 @@
     mock_output_api = MockOutputApi()
     mock_input_api.change.BUG = 'webrtc:1234,webrtc=4321'
     errors = PRESUBMIT.CheckCommitMessageBugEntry(mock_input_api,
-                                                   mock_output_api)
+                                                  mock_output_api)
     self.assertEqual(1, len(errors))
     self.assertEqual(('Bogus BUG entry: webrtc=4321. Please specify'
                       ' the issue tracker prefix and the issue number,'
@@ -30,7 +31,7 @@
     mock_output_api = MockOutputApi()
     mock_input_api.change.BUG = 'None'
     errors = PRESUBMIT.CheckCommitMessageBugEntry(mock_input_api,
-                                                   mock_output_api)
+                                                  mock_output_api)
     self.assertEqual(0, len(errors))