public function testExecuteInvokesTestersExecuteMethod()
{
$input = $this->getMockBuilder('Symfony\\Component\\Console\\Input\\InputInterface')->getMock();
$output = $this->getMockBuilder('Symfony\\Component\\Console\\Output\\OutputInterface')->getMock();
$tester = $this->getMockBuilder('ParaTest\\Console\\Testers\\Tester')->getMock();
$tester->expects($this->once())->method('execute')->with($this->equalTo($input), $this->equalTo($output));
$command = new ParaTestCommand($tester);
$command->execute($input, $output);
}