src/test/java/org/embulk/input/zendesk/utils/ZendeskTestHelper.java in embulk-input-zendesk-0.3.5 vs src/test/java/org/embulk/input/zendesk/utils/ZendeskTestHelper.java in embulk-input-zendesk-0.3.6

@@ -74,6 +74,19 @@
         }
         catch (NoSuchFieldException | IllegalAccessException e) {
             Assert.fail(e.getMessage());
         }
     }
+
+    public static void setPreviewMode(final ZendeskPluginTestRuntime runtime, final boolean isPreview)
+    {
+        // A small hack to make the plugin executed in preview mode so
+        try {
+            final Field previewField = ExecSession.class.getDeclaredField("preview");
+            previewField.setAccessible(true);
+            previewField.set(runtime.getExec(), isPreview);
+        }
+        catch (NoSuchFieldException | IllegalAccessException e) {
+            Assert.fail(e.getMessage());
+        }
+    }
 }