     func testHourDurationNumberOfRows() {
         durationPickerView.maximumDuration = 3600
 
-        XCTAssertEqual(durationPickerView.pickerView(durationPickerView, numberOfRowsInComponent: 0), 2)
+        XCTAssertEqual(durationPickerView.numberOfRowsInComponent(0), 2)
 
     }
 }

    func testMinuteDurationNumberOfRows() {
        durationPickerView.maximumDuration = 60
        
        XCTAssertEqual(durationPickerView.pickerView(durationPickerView, numberOfRowsInComponent: 0), 2)
    }
    
    func testSubHourDurationNumberOfComponents() {

    func testSubMinuteDurationNumberOfRows() {
        durationPickerView.maximumDuration = 30
        
        XCTAssertEqual(durationPickerView.numberOfRowsInComponent(0), 31)
    }
    
    func testMinuteDurationNumberOfComponents() {
