@Test
public void deleteCommentCallsNetwork() {

    String postId = "postId";
    String commentId = "commentId";
    when(network.deleteComment(postId, commentId)).thenReturn(Observable.<Void>empty());
    TestSubscriber<Void> ts = new TestSubscriber<>();
    tapglue.deleteComment(postId, commentId).subscribe(ts);
    ts.assertNoErrors();
    ts.assertCompleted();
}