public function testApacheChecksInvalid()
{
$this->extensionController->systemCheck(Validator::CHECK_APACHE)->shouldBeCalled();
$_SERVER['SERVER_SOFTWARE'] = 'Apache 1.0';
$this->_validation->expects($this->once())->method('is_readable')->will($this->returnValue(false));
$this->validator->check(Validator::CHECK_APACHE);
}