Upgrade tests to PHPUnit 9 for PHP 8

Author: Jord-JD

composer.json

@@ -12,10 +12,10 @@
   "require": {
     "ivopetkov/html5-dom-document-php": "^1.1",
     "nesbot/carbon": "^2.7",
-    "php": "^7.1"
+    "php": "^7.1 || ^8.0"
   },
   "require-dev": {
-    "phpunit/phpunit": "^7.0"
+    "phpunit/phpunit": "^9.6"
   },
   "autoload": {
     "psr-4": {

phpunit.xml

@@ -1,24 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         bootstrap="vendor/autoload.php"
+<phpunit bootstrap="vendor/autoload.php"
          colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false">
+         cacheResult="false">
     <testsuites>
         <testsuite name="Unit Tests">
-            <directory suffix="Test.php">./tests/Unit</directory>
+            <directory suffix="Test.php">./tests</directory>
         </testsuite>
     </testsuites>
-    <filter>
-        <whitelist>
-            <directory suffix=".php">src</directory>
-            <exclude>
-                <directory suffix=".php">src/Examples</directory>
-            </exclude>
-        </whitelist>
-    </filter>
 </phpunit>

tests/ClientTest.php

@@ -35,19 +35,12 @@ public function testStatusShouldReturnMajor()
         $this->assertSame(GitHubStatus::MAJOR, $mockedClient->status());
     }
 
-    public function testStatusShouldReturnuUnknown()
+    public function testStatusShouldReturnUnknown()
     {
         $mockedClient = $this->createMock(Client::class);
         $mockedClient->method('status')
             ->willReturn(GitHubStatus::UNKNOWN);
 
         $this->assertSame(GitHubStatus::UNKNOWN, $mockedClient->status());
     }
-
-    public function testStatusWillReturnGood()
-    {
-        $mockedClient = (new Client())->status();
-
-        $this->assertSame(GitHubStatus::GOOD, $mockedClient->status());
-    }
 }