tuleap-108-add-stricter-code-quality-tools-configuration

phpstan-tests.neon

+parameters:
+    level: 8
+    paths:
+        - tests/
+    symfony:
+        container_xml_path: var/cache/test/App_KernelTestDebugContainer.xml
+    doctrine:
+        objectManagerLoader: tests/object-manager.php
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