Fix an varags parameters passed as null, causing NPEs inside PageTester tests.

git-svn-id: https://svn.apache.org/repos/asf/tapestry/tapestry5/branches/hlship-20070503@536042 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/tapestry-core/src/main/java/org/apache/tapestry/test/pagelevel/PageTester.java b/tapestry-core/src/main/java/org/apache/tapestry/test/pagelevel/PageTester.java
index c794d11..59d4096 100644
--- a/tapestry-core/src/main/java/org/apache/tapestry/test/pagelevel/PageTester.java
+++ b/tapestry-core/src/main/java/org/apache/tapestry/test/pagelevel/PageTester.java
@@ -114,7 +114,7 @@
                 InternalConstants.TAPESTRY_APP_PACKAGE_PARAM, appPackage);
 
         _registry = new TapestryAppInitializer(provider, appName, "test",
-                addDefaultOverrides(serviceOverrides), null).getRegistry();
+                addDefaultOverrides(serviceOverrides)).getRegistry();
 
         _localizationSetter = _registry.getService("LocalizationSetter", LocalizationSetter.class);