def METHOD_NAME():
    fixture = os.path.join(os.path.dirname(__file__), "..", "README.dev.md")
    with open(fixture, "rt", encoding="utf-8") as fid:
        file_contents = fid.read()
    regex = re.compile(r"^docker build --tag cffconvert:(?P<version>\S*) .$", re.MULTILINE)
    actual_version = re.search(regex, file_contents)["version"]
    assert actual_version == expected_version