Add phpunit as a composer script

src/Handler.php

@@ -100,6 +100,18 @@ class Handler {
         'script' => 'phpcs --standard=DrupalPractice web/modules/custom/ web/profiles/custom/ web/themes/custom/',
         'description' => 'Run PHP Code Sniffer on custom code',
       ],
+      'phpunit:test' => [
+        'script' => 'vendor/bin/phpunit --configuration tests/phpunit.xml.dist',
+        'description' => 'Run PHPUnit tests on custom code',
+      ],
+      'phpunit:list:suites' => [
+        'script' => 'vendor/bin/phpunit --configuration tests/phpunit.xml.dist --list-suites',
+        'description' => 'List all PHPUnit test suites for custom code',
+      ],
+      'phpunit:list:groups' => [
+        'script' => 'vendor/bin/phpunit --configuration tests/phpunit.xml.dist --list-groups',
+        'description' => 'List all PHPUnit test groups from custom code',
+      ],
     ];
   }
 }