Failure to mock

library function.php

			$email = new CakeEmail('default');
			$success = $email->template('tradeRequestOriginator')
				->emailFormat('text')
				->to($user['email'])
				->subject('[Kitab] Shift trade request by you')
				->viewVars(array(
						'user' => $user,
						'shift' => $shift,
						'tradeId' => $tradeId,
						'token' => $token))
				->send();

Test function.php

	public function testsendOriginator() {
		
		$this->_TradeRequest = new TradeRequest();
		App::uses('CakeEmail', 'Network/Email');
		
		$CakeEmail = $this->getMock('CakeEmail' , array('send'));

		$CakeEmail->expects($this->any())
		->method('send')
		->will($this->returnValue(true));

		$email = new CakeEmail('default');
		
		debug($CakeEmail
				->emailFormat('text')
				->to('[email protected]')
				->subject('[Kitab] Shift trade request by you')
				->send());

		$user = array(
				'email' => '[email protected]',
				'name' => 'Test user',
				);
		$shift = array(
				'date' => '2015-01-24',
				'ShiftsType' => 1);
		$result = $this->_TradeRequest->sendOriginator(5, $user, $shift, 'email');
		debug($result);
	}