     }
 
     func testSetTitleAndSubtitle_whenSubtitleNotEmpty() {
-        let swiftNotifications = SwiftyNotifications.instanceFromNib() as! SwiftyNotifications
         XCTAssertNotNil(swiftNotifications)
         swiftNotifications.setTitle(title: "Title", subtitle: "Subtitle")
         XCTAssertEqual(swiftNotifications.titleLabel.text, "Title")

    }

    func testSetTitleAndSubtitle_withEmptySubtitle_thenNotEmptySubtitle() {
        let swiftNotifications = SwiftyNotifications.instanceFromNib() as! SwiftyNotifications
        XCTAssertNotNil(swiftNotifications)
        swiftNotifications.setTitle(title: "Title", subtitle: nil)
        XCTAssertEqual(swiftNotifications.titleLabel.text, "Title")

    }

    func testSetTitleAndSubtitle_whenSubtitleIsEmpty() {
        XCTAssertNotNil(swiftNotifications)
        swiftNotifications.setTitle(title: "Title", subtitle: nil)
        XCTAssertEqual(swiftNotifications.titleLabel.text, "Title")
