def METHOD_NAME(cls):
    super(BaseTestCase, cls).METHOD_NAME()
    cls.DEFAULT_PRECISION = geojson.geometry.DEFAULT_PRECISION
    # OSM uses 7, which means the worst error of longitude is ±5.56595 mm
    # at the equator. The worst error for 6 decimal places of longitude is
    # ±5.56595 cm at the equator. This is the default, and realistically
    # is probably more than enough for the TM.
    geojson.geometry.DEFAULT_PRECISION = 7
    # Set the "TM_ENVIRONMENT" environment variable to "test" to use the test configuration
    os.environ["TM_ENVIRONMENT"] = "test"
    cls.app = create_app("backend.config.TestEnvironmentConfig")
    cls.app.config.update({"TESTING": True})
    cls.db = db
    cls.db.app = cls.app
    with cls.app.app_context():
        cls.db.create_all()