Code review.

Author: Ekman

.travis.yml

@@ -4,4 +4,4 @@ php:
   - '7.1'
   - '7.2'
 before_script: composer install
-script: vendor/bin/phpunit
+script: vendor/bin/phpunit

src/LuhnAlgorithm.php

@@ -90,4 +90,4 @@ public function calcChecksum(int $input): int {
 
 		return $checkSum;
 	}
-}
+}

tests/LuhnAlgorithmTest.php

@@ -81,4 +81,4 @@ public function provideCalcCheckDigit_success() {
 			[410321920, 2],
 		];
 	}
-}
+}