{
RequestStats requestStats = new RequestStats();
HttpClient mockClient = mock(HttpClient.class);
when(mockClient.getStats()).thenReturn(requestStats);
balancingHttpClient = new SyncToAsyncWrapperClient(
new BalancingHttpClient(serviceBalancer, mockClient, new BalancingHttpClientConfig()));
assertSame(balancingHttpClient.getStats(), requestStats);
verify(mockClient).getStats();
verifyNoMoreInteractions(mockClient, serviceBalancer);