/**
  * @covers Cilex\Store\Transaction::getTotalValue
  * @covers Cilex\Store\Transaction::add
  * @covers Cilex\Store\Transaction::addDiscount
  * @covers Cilex\Store\Transaction::getSubTotal
  */
 public function testGetTotalValueWithDiscount()
 {
     $this->object->add(1.25);
     $this->object->add(1.25);
     $this->object->addDiscount(20, $this->object->getSubTotal());
     $this->assertEquals(2.0, $this->object->getTotalValue());
 }