[forwardpport] fixes in config module #15511

Author: Marcel Hauri

app/code/Magento/Config/Model/Config/Importer.php

@@ -124,7 +124,7 @@ public function import(array $data)
                 $this->scopeConfig->clean();
             }
 
-            $this->state->emulateAreaCode(Area::AREA_ADMINHTML, function () use ($changedData, $data) {
+            $this->state->emulateAreaCode(Area::AREA_ADMINHTML, function () use ($changedData) {
                 $this->scope->setCurrentScope(Area::AREA_ADMINHTML);
 
                 // Invoke saving of new values.

app/code/Magento/Config/Test/Unit/Block/System/Config/Form/Field/ImageTest.php

@@ -72,7 +72,7 @@ public function testGetElementHtmlWithValue()
                 'showInWebsite' => '1',
                 'showInStore' => '1',
                 'label' => null,
-                'backend_model' => \Magento\BackendModelConfig\Backend\Image::class,
+                'backend_model' => \Magento\Config\Model\Config\Backend\Image::class,
                 'upload_dir' => [
                     'config' => 'system/filesystem/media',
                     'scope_info' => '1',