@Test
public void reportAppOpen_onEmptyResponse_shouldMakeSecondRequest() throws Exception {

    fakeHttpLayer.addPendingHttpResponse(200, "");
    subject.reportAppOpen(context);
    assertRequestMade(true);
    fakeHttpLayer.addPendingHttpResponse(200, "");
    subject.reportAppOpen(context);
    assertRequestMade(true);
}