Added packages dev

Author: vuongxuongminh

.travis.yml

@@ -2,6 +2,8 @@ language: php
 
 php:
     - 7.1
+    - 7.2
+    - 7.3
 
 install:
     - composer self-update
@@ -12,8 +14,7 @@ before_script:
     - travis_retry composer install --no-interaction --prefer-source --dev
 
 script:
-    - phpunit --coverage-text --coverage-clover=coverage.clover
+    - vendor/bin/phpunit --testdox --coverage-text --coverage-clover=coverage.clover
 
 after_script:
-    - wget https://scrutinizer-ci.com/ocular.phar
-    - php ocular.phar code-coverage:upload --format=php-clover coverage.clover
+    - vendor/bin/ocular code-coverage:upload --format=php-clover coverage.clover

composer.json

@@ -18,6 +18,10 @@
         "mlocati/ip-lib": "^1.7",
         "respect/validation": "^1.1"
     },
+    "require-dev": {
+        "phpunit/phpunit": "~7.5",
+        "scrutinizer/ocular": "^1.5"
+    },
     "autoload": {
         "psr-4": {
             "PHPViet\\Validation\\": "src"