     
     func connectSessionByKeyboardInteractive() -> SSHKitSession {
         expectation = expectationWithDescription("Connect Session By Keyboard Interactive")
-        authMethod = "keyboard-interactive"
+        authMethod = .Interactive
         let session = SSHKitSession(host: "127.0.0.1", port: 22, user: username, delegate: self)
         //session.connectToHost("127.0.0.1", onPort: 22, withUser: username)  // -f
         session.connectWithTimeout(1)

    
    func connectSessionByPublicKeyBase64() -> SSHKitSession {
        expectation = expectationWithDescription("Connect Session By PublicKey Base64")
        authMethod = "publickey"
        let session = SSHKitSession(host: "127.0.0.1", port: 22, user: username, delegate: self)
        //session.connectToHost("127.0.0.1", onPort: 22, withUser: username)  // -f
        session.connectWithTimeout(1)

    
    func connectSessionByPassword() -> SSHKitSession {
        expectation = expectationWithDescription("Connect Session By Password")
        authMethod = .Password
        let session = SSHKitSession(host: "127.0.0.1", port: 22, user: username, delegate: self)
        //session.connectToHost("127.0.0.1", onPort: 22, withUser: username)  // -f
        session.connectWithTimeout(1)
