updated phpunit config

.github/workflows/ci.yml

@@ -9,4 +9,6 @@ jobs:
       - uses: actions/checkout@v2
       - uses: php-actions/composer@v6
       - uses: php-actions/phpstan@v3
-      - uses: php-actions/phpunit@v3
+      - uses: php-actions/phpunit@v3
+        env:
+          ACTION_TEST_SUFFIX: Test.php

.gitignore

@@ -1,3 +1,3 @@
 /vendor
 /composer.lock
-/.phpunit.cache
+/.phpunit.result.cache

phpunit.xml

@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
   bootstrap="vendor/autoload.php"
-  cacheDirectory=".phpunit.cache"
   colors="true">
   <testsuites>
     <testsuite name="PHPUnit">