PayPal\Api\Payee::getMerchantId PHP Method

    public function getMerchantId()
    {
        return $this->merchant_id;
    }

 /**
  * @depends testSerializationDeserialization
  * @param Payee $obj
  */
 public function testGetters($obj)
 {
     $this->assertEquals($obj->getEmail(), "TestSample");
     $this->assertEquals($obj->getMerchantId(), "TestSample");
     $this->assertEquals($obj->getFirstName(), "TestSample");
     $this->assertEquals($obj->getLastName(), "TestSample");
     $this->assertEquals($obj->getAccountNumber(), "TestSample");
     $this->assertEquals($obj->getPhone(), PhoneTest::getObject());
 }