[Systrace] Fix systrace clock syncing issue with BattOr.

systrace/profile_chrome/profiler_unittest.py

Index: systrace/profile_chrome/profiler_unittest.py
diff --git a/systrace/profile_chrome/profiler_unittest.py b/systrace/profile_chrome/profiler_unittest.py
index 9b35753d3a1ab0867e9de071723553278110ba6d..df4a65707750a5ce6f6d79fe6e609c4caa29e4d5 100644
--- a/systrace/profile_chrome/profiler_unittest.py
+++ b/systrace/profile_chrome/profiler_unittest.py
@@ -2,9 +2,9 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import json
 import os
 import unittest
-import zipfile
 
 from profile_chrome import profiler
 from profile_chrome import ui
@@ -37,9 +37,10 @@ class ProfilerTest(unittest.TestCase):
                                      [fake_agent_2], write_json=True)
 
     try:
-      self.assertFalse(result.endswith('.html'))
+      self.assertTrue(result.endswith('.json'))
       with open(result) as f:
-        self.assertEquals(f.read(), 'fake-contents')
+        trace_data = json.load(f)
+        self.assertListEqual(trace_data['cpuSnapshots'], ['fake-contents'])
     finally:
       if os.path.exists(result):
         os.remove(result)
@@ -51,8 +52,9 @@ class ProfilerTest(unittest.TestCase):
                                      write_json=True)
 
     try:
-      self.assertTrue(result.endswith('.zip'))
-      self.assertTrue(zipfile.is_zipfile(result))
+      self.assertTrue(result.endswith('.json'))
+      with open(result, 'r') as fp:
+        json.load(fp)
     finally:
       if os.path.exists(result):
         os.remove(result)