Add issuer to make testing between multiple IdPs clearer

Author: timlegge

xt/testapp/views/user.tt

@@ -13,6 +13,10 @@
     <th>Key</th>
     <th>Value</th>
   </tr>
+  <tr>
+    <td>Issuer</td>
+    <td><% assertion.issuer %></td>
+  </tr>
   <tr>
     <td>DN</td>
     <td><% assertion.attributes.DN %></td>