public function testConditionIsEmpty()
{
$condition = new Conditions\NullCondition();
$this->assertTrue($condition->isEmpty());
$condition = (new Conditions\NullCondition())->and(new Conditions\Equal(new Types\Integer('response'), 42));
$this->assertFalse($condition->isEmpty());
$condition = (new Conditions\Equal(new Types\Integer('response'), 42))->and(new Conditions\NullCondition());
$this->assertFalse($condition->isEmpty());
}
