Faker\Test\Provider\PaymentTest::testCreditCardNumberReturnsValidCreditCardNumber PHP Method

    public function testCreditCardNumberReturnsValidCreditCardNumber($type, $regexp)
    {
        $cardNumber = $this->faker->creditCardNumber($type);
        $this->assertRegExp($regexp, $cardNumber);
        $this->assertTrue(Luhn::isValid($cardNumber));
    }