Enhance test stuffs

Author: peter279k

composer.json

@@ -18,7 +18,7 @@
  "php-parallel-lint/php-console-highlighter": "For colored console output"
  },
  "require-dev": {
- "phpunit/phpunit": "~4.5",
+ "phpunit/phpunit": "^4.8.36",
  "php-parallel-lint/php-parallel-lint": "~1.0"
  },
  "bin": ["var-dump-check"],

tests/JakubOnderka/PhpVarDumpCheck/CheckTest.php

@@ -1,8 +1,9 @@
 <?php
 
 use JakubOnderka\PhpVarDumpCheck;
+use PHPUnit\Framework\TestCase;
 
-class CheckTest extends PHPUnit_Framework_TestCase
+class CheckTest extends TestCase
 {
  protected $uut;
 

tests/bootstrap.php

@@ -1,2 +1,2 @@
 <?php
-$loader = require_once __DIR__ . '/../vendor/autoload.php';
+require_once __DIR__ . '/../vendor/autoload.php';

var-dump-check

@@ -1,4 +1,4 @@
 #!/usr/bin/env php
 <?php
 
-require __DIR__ . '/var-dump-check.php';
+require __DIR__ . '/var-dump-check.php';