public function testSetDriverOptionsCorrect()
 {
     $user_driver_options = array('o1' => 'v1', 'o2' => 'v2');
     $expected_driver_options = array('driverParam1' => 'driverParamValue1') + $user_driver_options;
     $this->assertSame($this->browser, $this->browser->setDriverOptions($user_driver_options));
     $this->assertSame($expected_driver_options, $this->browser->getDriverOptions());
 }