--- /dev/null
+<?php
+
+namespace Drupal\image_test\Plugin\ImageToolkit;
+
+/**
+ * Defines a Test toolkit for image manipulation within Drupal.
+ *
+ * @ImageToolkit(
+ * id = "broken",
+ * title = @Translation("A dummy toolkit that is broken")
+ * )
+ */
+class BrokenToolkit extends TestToolkit {
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function isAvailable() {
+ return FALSE;
+ }
+
+}