diff --git a/tests/src/Unit/Plugin/processor/ExcludeSpecifiedItemsProcessorTest.php b/tests/src/Unit/Plugin/processor/ExcludeSpecifiedItemsProcessorTest.php
index 2031416..a6c9762 100644
--- a/tests/src/Unit/Plugin/processor/ExcludeSpecifiedItemsProcessorTest.php
+++ b/tests/src/Unit/Plugin/processor/ExcludeSpecifiedItemsProcessorTest.php
@@ -122,6 +122,14 @@ class ExcludeSpecifiedItemsProcessorTest extends UnitTestCase {
         ],
       ],
     ]);
+    $facet->addProcessor([
+      'processor_id' => 'exclude_specified_items',
+      'weights' => [],
+      'settings' => [
+        'exclude' => 'alpaca',
+        'regex' => 0,
+      ],
+    ]);
     $this->processor->setConfiguration([
       'exclude' => 'llama',
       'regex' => 0,
@@ -151,6 +159,14 @@ class ExcludeSpecifiedItemsProcessorTest extends UnitTestCase {
         ],
       ],
     ]);
+    $facet->addProcessor([
+      'processor_id' => 'exclude_specified_items',
+      'weights' => [],
+      'settings' => [
+        'exclude' => 'alpaca',
+        'regex' => 0,
+      ],
+    ]);
     $this->processor->setConfiguration([
       'exclude' => $regex,
       'regex' => 1,