/**
  * @see BillingAddressEntity::setPhone()
  */
 public function testSetPhone()
 {
     $phone = rand(1, 9) . rand(1, 9) . rand(1, 9) . rand(1, 9) . rand(1, 9) . rand(1, 9) . rand(1, 9) . rand(1, 9);
     $rs = $this->object->setPhone($phone);
     $this->assertInstanceOf('\\PayU\\Entity\\Transaction\\BillingAddressEntity', $rs);
     $rs = $this->object->getPhone();
     $this->assertInternalType('string', $rs);
     $this->assertEquals($phone, $rs);
 }