337          mock.patch('builtins.open', mock.mock_open()), \
482          mock.patch('builtins.open', mock.mock_open()), \
691     def mock_open(filepath, *args, **kwargs):  function
700         return mock.mock_open(read_data=rd)()
738          mock.patch('builtins.open', mock_open), \
783     def mock_open(filename, *args, **kwargs):  function
786         return mock.mock_open(read_data='file contents')()
800     with mock.patch('builtins.open', mock_open), \
1667          mock.patch('builtins.open', mock.mock_open()):
1866          mock.patch('builtins.open', mock.mock_open()), \
1930                     mock.mock_open(read_data=runners_text)) as f:
1942             'CMakeCache.txt': mock.mock_open(
1952             os.path.join('zephyr', 'runners.yaml'): mock.mock_open(
1979     def mock_open(fname, *args, **kwargs):  function
1991          mock.patch('builtins.open', mock_open), \