added a sanity checking test

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@31439 71c3de6d-444a-0410-be80-ed276b4c234a

test/src/test/java/hudson/model/HudsonTest.java

@@ -50,6 +50,13 @@ import java.util.List;
  * @author Kohsuke Kawaguchi
  */
 public class HudsonTest extends HudsonTestCase {
+    /**
+     * Tests the basic UI sanity and HtmlUnit set up.
+     */
+    public void testGlobalConfigRoundtrip() throws Exception {
+        submit(createWebClient().goTo("configure").getFormByName("config"));
+    }
+
     /**
      * Performs a very basic round-trip of a non-empty system configuration screen.
      * This makes sure that the structured form submission is working (to some limited extent.)