Fix name/path separator for telemetry_unittests test names (src-side)

testing/scripts/telemetry_unittests.py

 #!/usr/bin/env python
 # Copyright 2014 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.
 
 import json
 import os
 import sys
 
 
@@ skipping 22 matching lines @@
         '--run-python-script',
         os.path.join(common.SRC_DIR, 'tools', 'telemetry', 'run_tests'),
         '--browser', args.build_config_fs.lower(),
         '--retry-limit', '3',
         '--write-full-results-to', tempfile_path,
     ] + filter_tests)
 
     with open(tempfile_path) as f:
       results = json.load(f)
 
-  parsed_results = common.parse_common_test_results(results)
+  parsed_results = common.parse_common_test_results(results, test_separator='.')
   failures = parsed_results['unexpected_failures']
 
   json.dump({
       'valid': bool(rc <= common.MAX_FAILURES_EXIT_STATUS and
                    ((rc == 0) or failures)),
       'failures': failures.keys(),
   }, args.output)
 
   return rc
 
 
 def main_compile_targets(args):
   json.dump(['chrome'], args.output)
 
 
 if __name__ == '__main__':
   funcs = {
     'run': main_run,
     'compile_targets': main_compile_targets,
   }
   sys.exit(common.run_script(sys.argv[1:], funcs))