             "id": "user500",
             "lovesCount": 5,
             ])
-        let controller = StreamViewController.instantiateFromStoryboard()
+        var controller: StreamViewController!
         let streamKind: StreamKind = .Following
         let webView = UIWebView(frame: CGRectMake(0, 0, 320, 640))
         let textSizeCalculator = FakeStreamTextCellSizeCalculator(webView: UIWebView(frame: webView.frame))



class PostbarControllerSpec: QuickSpec {

    override func spec() {
        var subject: PostbarController!

        let imageSizeCalculator = StreamImageCellSizeCalculator()

        beforeEach {
            controller = StreamViewController.instantiateFromStoryboard()
            controller.dataSource =
                StreamDataSource(streamKind: streamKind,
                    textSizeCalculator: textSizeCalculator,
