gistfile1.pytb

% wptrunner --metadata . --tests . --binary '/Applications/Google Chrome.app/Contents/MacOS/Google Chrome' --processes 1 --product chrome --log-mach -
 0:00.12 LOG: MainThread INFO Creating test manifest /Users/ato/Code/web-platform-tests/MANIFEST.json
 0:00.35 LOG: MainThread INFO Closing logging queue
Traceback (most recent call last):
  File "/usr/local/bin/wptrunner", line 9, in <module>
    load_entry_point('wptrunner==1.5', 'console_scripts', 'wptrunner')()
  File "/Users/ato/Code/wptrunner/wptrunner/wptrunner.py", line 426, in main
    return run_tests(**kwargs)
  File "/Users/ato/Code/wptrunner/wptrunner/wptrunner.py", line 325, in run_tests
    kwargs["manifest_update"])
  File "/Users/ato/Code/wptrunner/wptrunner/testloader.py", line 268, in __init__
    self.manifests = ManifestLoader(test_paths, force_manifest_update).load()
  File "/Users/ato/Code/wptrunner/wptrunner/testloader.py", line 227, in load
    **paths)
  File "/Users/ato/Code/wptrunner/wptrunner/testloader.py", line 243, in load_manifest
    self.create_manifest(manifest_path, tests_path, url_base)
  File "/Users/ato/Code/wptrunner/wptrunner/testloader.py", line 236, in create_manifest
    manifest.update(tests_path, url_base, manifest_file)
  File "/Users/ato/Code/web-platform-tests/tools/scripts/manifest.py", line 756, in update
    local_changes = tests_tree.local_changes()
  File "/Users/ato/Code/web-platform-tests/tools/scripts/manifest.py", line 609, in local_changes
    assert data[-1] == "\0"
IndexError: string index out of range