@Test
public void testInvokeAll() throws Exception {

    tracedExecutorService.invokeAll(callableList);
    verify(wrappedExecutorService).invokeAll(any(List.class));
    verify(traceContext, times(callableList.size())).isEmpty();
    verify(traceContext, times(callableList.size())).getCurrentSpan();
    verifyNoMoreInteractions(wrappedExecutorService, traceContext);
}