AC-15248-V2: Fix Integration Test

Author: wip44850

dev/tests/integration/framework/Magento/TestFramework/Annotation/AppIsolation.php

@@ -50,6 +50,13 @@ public function __construct(Application $application)
     protected function _isolateApp()
     {
         if ($this->hasNonIsolatedTests) {
+            // Clear fixture resolver state before app reinitialization
+            try {
+                $resolver = \Magento\TestFramework\Workaround\Override\Fixture\Resolver::getInstance();
+                $resolver->setCurrentTest(null);
+            } catch (\RuntimeException $e) {
+                // Resolver not initialized yet, ignore
+            }
             $this->application->reinitialize();
             $_SESSION = [];
             $_COOKIE = [];