To test the 'min' and 'max' values we have to do this:
- run invocation1 and keep it running
- wait until the next minute starts
- run invocation2 and stop it right away
- wait until the next minute starts
- stop invocation1
- after this, 'min' should be 1 and 'max' should be 2
testRate() - Method in class org.eclipse.microprofile.metrics.tck.metrics.TimerTest
testRates() - Method in class org.eclipse.microprofile.metrics.tck.metrics.MeterTest