dep: phpunit 추가

vendor/doctrine/instantiator/phpstan.neon.dist

@@ -0,0 +1,15 @@
+includes:
+    - vendor/phpstan/phpstan-phpunit/extension.neon
+    - vendor/phpstan/phpstan-phpunit/rules.neon
+
+parameters:
+    level: max
+    paths:
+        - src
+        - tests
+
+    ignoreErrors:
+        # dynamic properties confuse static analysis
+        -
+            message: '#Access to an undefined property object::\$foo\.#'
+            path: '*/tests/DoctrineTest/InstantiatorTest/InstantiatorTest.php'