@Test
public void getMeter() throws Exception {

	registry.meter(name("foo").tag("bar", "baz").build()).mark();
	final MockHttpServletResponse resp = new MockHttpServletResponse();
	servlet.doGet(new MockHttpServletRequest(), resp);
	final double mean_rate = JsonUtils.getMapper().readTree(resp.getContentAsString()).get(0).get("values").get("mean_rate").doubleValue();
	assertTrue("Expected m1 rate of > 0, but got " + mean_rate, mean_rate > 0);
}