diff --git a/tests/katalon.html b/tests/katalon.html
index df67c9da..a1b4c602 100644
--- a/tests/katalon.html
+++ b/tests/katalon.html
@@ -484,6 +484,11 @@
 	<td>fields[2.1][length]<datalist><option>fields[2.1][length]</option></datalist></td>
 	<td></td>
 </tr>
+<tr>
+	<td>uncheck</td>
+	<td>name=defaults<datalist><option>name=defaults</option></datalist></td>
+	<td></td>
+</tr>
 <tr>
 	<td>click</td>
 	<td>name=defaults<datalist><option>name=defaults</option></datalist></td>