ACP2E-3010: PHPSESSID is changing each POST Request

Author: abukatar

lib/internal/Magento/Framework/Cache/Backend/RemoteSynchronizedCache.php

@@ -223,7 +223,9 @@ public function load($id, $doNotTestCacheValidity = false)
      */
     public function test($id)
     {
-        return $this->local->test($id) ?? $this->remote->test($id);
+        return $this->_options['use_stale_cache'] ?
+            ($this->local->test($id) ?? $this->remote->test($id))
+            : $this->remote->test($id);
     }
 
     /**

lib/internal/Magento/Framework/Cache/Test/Unit/Backend/RemoteSynchronizedCacheTest.php

@@ -413,4 +413,16 @@ public function testSaveWithoutRemoteData(): void
 
         $this->remoteSyncCacheInstance->save(1, 1);
     }
+
+    public function testTest(): void
+    {
+        $this->localCacheMockExample
+            ->method('test')
+            ->willReturn(true);
+        $this->remoteCacheMockExample
+            ->method('test')
+            ->willReturn(false);
+
+        $this->assertFalse($this->remoteSyncCacheInstance->test(1));
+    }
 }