/**
  * @expectedException \LogicException
  * @expectedExceptionMessage Driver factory for "test" driver is already registered.
  */
 public function testAddingExisting()
 {
     $factory = m::mock('aik099\\PHPUnit\\MinkDriver\\IMinkDriverFactory');
     $factory->shouldReceive('getDriverName')->andReturn('test');
     $this->_driverFactoryRegistry->add($factory);
     $this->_driverFactoryRegistry->add($factory);
 }