     func testADMozaikLayoutRepresentationWithInterLineInsetsAndThreeColumns() {
         self.viewController = ADMozaikLayoutTestsViewController()
         self.viewController.useCase = .C
-        self.viewController.view.frame = UIScreen.mainScreen().bounds
+        self.viewController.view.frame = self.testingFrame()
         self.viewController.collectionView.reloadData()
         
         self.FBSnapshotVerifyView(self.viewController.view)

    func testADMozaikLayoutRepresentationWithComplexLayout() {
        self.viewController = ADMozaikLayoutTestsViewController()
        self.viewController.useCase = .F
        self.viewController.view.frame = UIScreen.mainScreen().bounds
        self.viewController.collectionView.reloadData()
        
        self.FBSnapshotVerifyView(self.viewController.view)

    func testADMozaikLayoutRepresentationWithoutInsetsAndThreeColumns() {
        self.viewController = ADMozaikLayoutTestsViewController()
        self.viewController.useCase = .A
        self.viewController.view.frame = self.testingFrame()
        self.viewController.collectionView.reloadData()
        
        self.FBSnapshotVerifyView(self.viewController.view)
