diff --git a/tests/modules/src/Plugin/CKEditorPlugin/LlamaButton.php b/tests/modules/src/Plugin/CKEditorPlugin/LlamaButton.php
index 646eaa6..ca6d4a9 100644
--- a/tests/modules/src/Plugin/CKEditorPlugin/LlamaButton.php
+++ b/tests/modules/src/Plugin/CKEditorPlugin/LlamaButton.php
@@ -20,7 +20,7 @@ class LlamaButton extends Llama implements CKEditorPluginButtonsInterface {
   public function getButtons() {
     return [
       'Llama' => [
-        'label' => t('Insert Llama'),
+        'label' => $this->t('Insert Llama'),
       ],
     ];
   }
diff --git a/tests/modules/src/Plugin/CKEditorPlugin/LlamaContextualAndButton.php b/tests/modules/src/Plugin/CKEditorPlugin/LlamaContextualAndButton.php
index 3033904..c9a4d33 100644
--- a/tests/modules/src/Plugin/CKEditorPlugin/LlamaContextualAndButton.php
+++ b/tests/modules/src/Plugin/CKEditorPlugin/LlamaContextualAndButton.php
@@ -41,7 +41,7 @@ class LlamaContextualAndButton extends Llama implements CKEditorPluginContextual
   public function getButtons() {
     return [
       'Llama' => [
-        'label' => t('Insert Llama'),
+        'label' => $this->t('Insert Llama'),
       ],
     ];
   }
@@ -65,7 +65,7 @@ class LlamaContextualAndButton extends Llama implements CKEditorPluginContextual
     }
 
     $form['ultra_llama_mode'] = [
-      '#title' => t('Ultra llama mode'),
+      '#title' => $this->t('Ultra llama mode'),
       '#type' => 'checkbox',
       '#default_value' => $config['ultra_llama_mode'],
     ];
diff --git a/tests/modules/src/Plugin/CKEditorPlugin/LlamaCss.php b/tests/modules/src/Plugin/CKEditorPlugin/LlamaCss.php
index 23ffc8b..15f60e0 100644
--- a/tests/modules/src/Plugin/CKEditorPlugin/LlamaCss.php
+++ b/tests/modules/src/Plugin/CKEditorPlugin/LlamaCss.php
@@ -22,7 +22,7 @@ class LlamaCss extends Llama implements CKEditorPluginButtonsInterface, CKEditor
   public function getButtons() {
     return [
       'LlamaCSS' => [
-        'label' => t('Insert Llama CSS'),
+        'label' => $this->t('Insert Llama CSS'),
       ],
     ];
   }