public function testIsUsingOAuth2_UsingClientLogin()
 {
     // Because AdsUser doesn't have ClientLogin information on it, we consider
     // the absence of OAuth 2 as using ClientLogin.
     $mockUser = $this->getMockBuilder('AdsUser')->disableOriginalConstructor()->getMockForAbstractClass();
     $this->assertFalse(DeprecationUtils::IsUsingOAuth2($mockUser));
 }