def METHOD_NAME(self):
    self.provider.gauge('commcare.test.gauge', 4.2, tags={'t1': 'a', 't2': 'b'})
    self.provider.gauge('commcare.test.gauge', 2, tags={'t1': 'c', 't2': 'b'})
    self.provider.gauge('commcare.test.gauge', 5, tags={'t1': 'c', 't2': 'b'})
    self.assertGaugeMetric('commcare.test.gauge', {
        (('t1', 'a'), ('t2', 'b')): 4.2,
        (('t1', 'c'), ('t2', 'b')): 5,
    })