Fix CI tests

plugins/tiddlywiki/multiwikiserver/admin-ui/AdminLayout.tid

@@ -6,6 +6,8 @@ icon: $:/favicon.ico
 
 \import [subfilter{$:/core/config/GlobalImportFilter}]
 <div class="mws-admin-layout">
+<!-- The next DIV is needed for the Jasmine test runner to know that the page has loaded -->
+<div class="tc-site-title">TiddlyWiki5</div>
 {{MultiWikiServer Administration}}
 <div class="mws-admin-layout-controls">
 <$button>