     }
     
     func testUpdateAccessDateFileInDisk() {
+        let now = NSDate()
         let data = NSData.dataWithLength(10)
         let key = self.name
         sut.setData(data, key : key)

    }
    
    func testFetchData_UpdateAccessDate() {
        let data = NSData.dataWithLength(19)
        let key = self.name
        sut.setData(data, key : key)

            XCTAssertEqual($0, data)
        })
        
        self.waitForExpectationsWithTimeout(1, handler: nil)
    }
    
    func testFetchData_Inexisting() {
