         self.stateMachine = ElasticMotionStateMachine(ElasticMotionDirection.Right, threshold: 50.0, vibrationSec: vibrationSec)
         self.stateMachine?.delegate = self
         
-        self.expectation = expectationWithDescription(openToRight_MayOpenThenStop)
+        self.expectation = expectationWithDescription(ExpectationStateOfOpeningToRight.MayOpenThenClosed.rawValue)
         
         if let stateMachine = self.stateMachine {
             stateMachine.keepMoving(CGPointMake(0, 10))

    let vibrationSec = 0.5
    
    var expectation: XCTestExpectation?
    
    let openToRight_MayOpen = "openToRight_MayOpen"
    let openToRight_WillOpen = "openToRight_WillOpen"
    let openToRight_Opened = "openToRight_Opened"
    let openToRight_MayOpenThenStop = "openToRight_MayOpenThenStop"
    
    override func setUp() {
        super.setUp()

        self.stateMachine = ElasticMotionStateMachine(ElasticMotionDirection.Right, threshold: 50.0, vibrationSec: vibrationSec)
        self.stateMachine?.delegate = self
        
        self.expectation = expectationWithDescription(ExpectationStateOfOpeningToRight.MayOpen.rawValue)
        
        if let stateMachine = self.stateMachine {
            stateMachine.keepMoving(CGPointMake(0, 10))
