How to use the approvaltests.utils.get_adjacent_file function in approvaltests

def __init__(self):
        self.load(get_adjacent_file('reporters.json'))
        self.add_fallback_reporter_config(["PythonNative", "python", [get_adjacent_file("python_native_reporter.py")]])

def test_verify_file(self):
        name = "testFile.txt"
        filename = get_adjacent_file(name)
        verify_file(filename, self.reporter)

def __init__(self):
        self.load(get_adjacent_file('reporters.json'))
        self.add_fallback_reporter_config(["PythonNative", "python", [get_adjacent_file("python_native_reporter.py")]])

def test_assert_against_file_works(self):
        file_path = get_adjacent_file("manual_file.approved.txt")
        assert_against_file("This text is in a file", file_path)

def test_assert_against_file_fails_with_reporter(self):
        reporter = ReporterForTesting()
        file_path = get_adjacent_file("manual_file.approved.txt")
        try:
            assert_against_file("This text is NOT in a file", file_path, reporter )
        except ApprovalException:
            pass
        self.assertTrue(reporter.called)