Google\Cloud\Tests\ClientTraitTest::testConfigureAuthenticationWithInvalidKeyFilePath PHP Method

    public function testConfigureAuthenticationWithInvalidKeyFilePath()
    {
        $keyFilePath = __DIR__ . '/i/sure/hope/this/doesnt/exist';
        $trait = new ClientTraitStub();
        $conf = $trait->runConfigureAuthentication(['keyFilePath' => $keyFilePath]);
    }