def METHOD_NAME(self):
    """Test creation of fibermaps with missing input files"""
    #- missing coordinates file for this exposure
    night, expid = 20200219, 51053
    with self.assertRaises(FileNotFoundError):
        fm = assemble_fibermap(night, expid)
    #- But should work with force=True
    fm = assemble_fibermap(night, expid, force=True)
    #- ...albeit with FIBER_X/Y == 0
    assert np.all(fm['FIBERMAP'].data['FIBER_X'] == 0.0)
    assert np.all(fm['FIBERMAP'].data['FIBER_Y'] == 0.0)