@Test
@SuppressWarnings("resource")
public void _250Hz_correctly_sets_4ms_job_interval() throws Exception {

  new Sender(onrampClient, contextManager, 250, service).start();
  verify(service).scheduleAtFixedRate(any(), eq(0L), longCaptor.capture(), timeunitCaptor.capture());
  assertThat(timeunitCaptor.getValue().toMillis(longCaptor.getValue()), is(4L));
}