@Test(expected = IabException.class) public void shouldQueryInventoryWithoutRequiredFields() throws Exception {

    shouldStartSetup_CheckForSubscriptions_Unavailable();
    Bundle response = new Bundle();
    when(service.getPurchases(API_VERSION, Robolectric.application.getPackageName(), "inapp", null))
            .thenReturn(response);
    helper.queryInventory(false, null ,null);
}