def METHOD_NAME(self):
    '''
    test serialize/deserialize works correctly for datetime_value_1d dtype
    numpy arrays
    '''
    json_ = self.b.serialize()
    json_['timeseries'][0] = (json_['timeseries'][0][0],
                              json_['timeseries'][0][1] + 4)
    d_ = Beaching.deserialize(json_)
    self.b.update_from_dict(d_)
    assert json_ == self.b.serialize()