public function testGetSetPayByCheque()
 {
     $this->assertEquals(PowerOfAttorney::PAYMENT_OPTION_NOT_SET, $this->poa->getPaymentByCheque());
     $this->poa->setPaymentByCheque(PowerOfAttorney::PAYMENT_OPTION_FALSE);
     $this->assertEquals(PowerOfAttorney::PAYMENT_OPTION_FALSE, $this->poa->getPaymentByCheque());
     $this->poa->setPaymentByCheque(PowerOfAttorney::PAYMENT_OPTION_TRUE);
     $this->assertEquals(PowerOfAttorney::PAYMENT_OPTION_TRUE, $this->poa->getPaymentByCheque());
     $this->poa->setPaymentByCheque();
     $this->assertEquals(PowerOfAttorney::PAYMENT_OPTION_NOT_SET, $this->poa->getPaymentByCheque());
 }