fix phpunit config, add ci-config for php 8.1 and symfony 6

Author: Kleinkind

.github/workflows/ci.yaml

@@ -55,6 +55,7 @@ jobs:
           - '7.3'
           - '7.4'
           - '8.0'
+          - '8.1'
 
     steps:
       - name: 'Check out'
@@ -111,7 +112,21 @@ jobs:
           - php-version: '7.4'
             composer-options: '--prefer-stable'
             symfony-version: '5.3.*'
+          - php-version: '7.4'
+            composer-options: '--prefer-stable'
+            symfony-version: '6.0.*'
+          - php-version: '8.0'
+            composer-options: '--prefer-stable'
+            symfony-version: '5.3.*'
           - php-version: '8.0'
+            composer-options: '--prefer-stable'
+            symfony-version: '6.0.*'
+          - php-version: '8.1'
+            composer-options: '--prefer-stable'
+            symfony-version: '5.3.*'
+          - php-version: '8.1'
+            composer-options: '--prefer-stable'
+            symfony-version: '6.0.*'
 
     steps:
       - name: 'Check out'

phpunit.xml.dist

@@ -5,9 +5,6 @@
     bootstrap="vendor/autoload.php"
 >
     <testsuites>
-        <testsuite name="legacy API">
-            <directory>./tests/Legacy</directory>
-        </testsuite>
         <testsuite name="integration tests">
             <directory>./tests/Integration</directory>
         </testsuite>