Renamed $UMLHOSTS to $VIRTHOSTS

testing/do-tests

@@ -474,7 +474,7 @@ do
     <ul>
       <li><a href="console.log">console.log</a></li>
     </ul>
-    <img src="../../images/$DIAGRAM" alt="$UMLHOSTS">
+    <img src="../../images/$DIAGRAM" alt="$VIRTHOSTS">
 @EOF
 
 	for host in $IPSECHOSTS