LP #491249: fix tabindex on ZRDB connection test form.

doc/CHANGES.rst

@@ -27,6 +27,8 @@ Features Added
 Bugs Fixed
 ++++++++++
 
+- LP #491249:  fix tabindex on ZRDB connection test form.
+
 - LP #490514:  preserve tainting when calling into DTML from ZPT.
 
 - Avoid possible errors on test tear-down in Products.Five.fiveconfigure's

src/Shared/DC/ZRDB/dtml/connectionTestForm.dtml

@@ -21,7 +21,7 @@ using the form below. Click <em>submit query</em> to run the query.
   <td align="left" valign="top">
   <div class="form-element">
   <input class="form-element" type="submit" name="submit" 
-   value="Submit Query">
+   value="Submit Query" tabindex="2">
   </div>
   </td>
 </tr>