Reenable test for bug 396024, it should now fail gracefully when no printer is installed on the test machine

layout/base/tests/Makefile.in

@@ -83,6 +83,7 @@ ifdef MOZ_MOCHITEST
 _TEST_FILES =	\
 		test_bug66619.html \
 		test_bug388019.html \
+		test_bug396024.html \
 		test_bug399284.html \
 		test_bug399951.html \
 		test_bug404209.xhtml \

layout/base/tests/test_bug396024.html

@@ -55,9 +55,9 @@ function run()
   netscape.security.PrivilegeManager.enablePrivilege('UniversalPreferencesRead UniversalPreferencesWrite UniversalXPConnect');
   var printService = Components.classes["@mozilla.org/gfx/printsettings-service;1"]
                                .getService(Components.interfaces.nsIPrintSettingsService);
+  SimpleTest.waitForExplicitFinish();
   if (printService.defaultPrinterName != '') {
     window.frames[0].frameElement.setAttribute('onload', 'run2()');
-    SimpleTest.waitForExplicitFinish();
     printpreview();
     ok(gWbp.doingPrintPreview, "Should be doing print preview");
     exitprintpreview();
@@ -65,7 +65,8 @@ function run()
     printpreview();
     window.frames[0].location.reload();
   } else {
-    todo(false, "No printer seems installed on this machine, that is necessary for this test")
+    todo(false, "No printer seems installed on this machine, that is necessary for this test");
+    SimpleTest.finish();
   }
 }