Initial try

gistfile1.m

- (void)testTabsGetNotified
{
    [[mockController stub] requestSessionId];
    [[mockController stub] endVisit];
        
    id mockVideoController = [OCMockObject partialMockForObject:playgroundController.videoController];
    id mockArtController = [OCMockObject partialMockForObject:playgroundController.artController];
    

    
    playgroundController.currentTab = NoTab;
    
    [[mockVideoController expect] tabDidAppear];
    [playgroundController displayVideoTab];
    
    [[mockArtController expect] tabDidAppear];
    [[mockVideoController expect] tabDidDisappear];
    [playgroundController displayArtTab];
    
    [[mockVideoController expect] tabDidAppear];
    [[mockArtController expect] tabDidDisappear];
    [playgroundController displayVideoTab];

    
    [mockVideoController verify];
    [mockArtController verify];
    
}