diff --git a/tests/src/Kernel/FeaturesAssignTest.php b/tests/src/Kernel/FeaturesAssignTest.php
index ba1577f..dadc1ee 100644
--- a/tests/src/Kernel/FeaturesAssignTest.php
+++ b/tests/src/Kernel/FeaturesAssignTest.php
@@ -445,6 +445,10 @@ class FeaturesAssignTest extends KernelTestBase {
       'type' => 'node_type',
       'shortName' => 'non_prefix_article',
     ]);
+    $this->addConfigurationItem('field.storage.node.field_prefix_type', [], [
+      'type' => 'field_storage',
+      'shortName' => 'field_prefix_type',
+    ]);
 
     $this->featuresManager->initPackage('prefix', 'My test package');
     $this->assigner->applyAssignmentMethod($method_id);
@@ -454,6 +458,7 @@ class FeaturesAssignTest extends KernelTestBase {
 
     $expected_config_items = [
       'node.type.prefix_article',
+      'field.storage.node.field_prefix_type',
     ];
     $this->assertEquals($expected_config_items, $packages['prefix']->getConfig(), 'Expected configuration items not present in prefix package.');
   }