@Override
  public void validateInputFilePatternSupported(String filepattern) {
    getGcsPath(filepattern);
    verifyPath(filepattern);
    verifyPathIsAccessible(filepattern, "Could not find file %s");
  }
@Test
  public void testInvalidFilePattern() {
    expectedException.expect(IllegalArgumentException.class);
    expectedException.expectMessage("Expected a valid 'gs://' path but was given '/local/path'");
    validator.validateInputFilePatternSupported("/local/path");
  }