fix mock builder for old phpunit versions

tests/core/controller/TokenControllerTest.php

 		parent::setUp();
 
 		$this->request = $this->getMock('\OCP\IRequest');
-		$this->userManager = $this->getMockWithoutInvokingTheOriginalConstructor('\OC\User\Manager');
-		$this->tokenProvider = $this->getMockWithoutInvokingTheOriginalConstructor('\OC\Authentication\Token\DefaultTokenProvider');
+		$this->userManager = $this->getMockBuilder('\OC\User\Manager')
+			->disableOriginalConstructor()
+			->getMock();
+		$this->tokenProvider = $this->getMockBuilder('\OC\Authentication\Token\DefaultTokenProvider')
+			->disableOriginalConstructor()
+			->getMock();
 		$this->secureRandom = $this->getMock('\OCP\Security\ISecureRandom');
 
 		$this->tokenController = new TokenController('core', $this->request, $this->userManager, $this->tokenProvider,

tests/lib/authentication/token/defaulttokencleanupjobtest.php

 	protected function setUp() {
 		parent::setUp();
 
-		$this->tokenProvider = $this->getMockWithoutInvokingTheOriginalConstructor('\OC\Authentication\Token\DefaultTokenProvider');
+		$this->tokenProvider = $this->getMockBuilder('\OC\Authentication\Token\DefaultTokenProvider')
+			->disableOriginalConstructor()
+			->getMock();
 		$this->overwriteService('\OC\Authentication\Token\DefaultTokenProvider', $this->tokenProvider);
 		$this->job = new DefaultTokenCleanupJob();
 	}

tests/lib/authentication/token/defaulttokenprovidertest.php

 	protected function setUp() {
 		parent::setUp();
 
-		$this->mapper = $this->getMockWithoutInvokingTheOriginalConstructor('\OC\Authentication\Token\DefaultTokenMapper');
+		$this->mapper = $this->getMock('\OC\Authentication\Token\DefaultTokenMapper')
+			->disableOriginalConstructor()
+			->getMock();
 		$this->crypto = $this->getMock('\OCP\Security\ICrypto');
 		$this->config = $this->getMock('\OCP\IConfig');
 		$this->logger = $this->getMock('\OCP\ILogger');
 	}
 
 	public function testUpdateToken() {
-		$tk = $this->getMockWithoutInvokingTheOriginalConstructor('\OC\Authentication\Token\DefaultTokenProvider');
+		$tk = $this->getMockBuilder('\OC\Authentication\Token\DefaultTokenProvider')
+			->disableOriginalConstructor()
+			->getMock();
 		$tk->expects($this->once())
 			->method('setLastActivity')
 			->with(time());
 
 	public function testGetPassword() {
 		$token = 'token1234';
-		$tk = $this->getMockWithoutInvokingTheOriginalConstructor('\OC\Authentication\Token\DefaultToken');
+		$tk = $this->getMockBuilder('\OC\Authentication\Token\DefaultToken')
+			->disableOriginalConstructor()
+			->getMock();
 		$tk->expects($this->once())
 			->method('getPassword')
 			->will($this->returnValue('someencryptedvalue'));