DX: apply rector rules for phpunit up to 90

src/Bundle/ChillPersonBundle/Tests/AccompanyingPeriod/AccompanyingPeriodConfidentialTest.php

@@ -40,6 +40,9 @@ final class AccompanyingPeriodConfidentialTest extends WebTestCase
         ]);
     }
 
+    /**
+     * @doesNotPerformAssertions
+     */
     public function testConfidentialInvalid()
     {
         $this->markTestSkipped("test not written fully");