def METHOD_NAME():
    """Generic measurement RV used to test calibration.
    This config should return 9.776307498421126 for
    Diffusion.calibrate_locally.
    """
    some_mean = np.arange(10, 13)
    some_cov = np.arange(9).reshape((3, 3)) @ np.arange(9).reshape((3, 3)).T + np.eye(3)
    meas_rv = randvars.Normal(some_mean, some_cov)
    return meas_rv