add javacSource and javacTarget in attempt to get tests compiling in build
diff --git a/jaxb/tests/org.eclipse.jpt.jaxb.core.tests/build.properties b/jaxb/tests/org.eclipse.jpt.jaxb.core.tests/build.properties
index 00afdcb..320b3f2 100644
--- a/jaxb/tests/org.eclipse.jpt.jaxb.core.tests/build.properties
+++ b/jaxb/tests/org.eclipse.jpt.jaxb.core.tests/build.properties
@@ -1,5 +1,5 @@
################################################################################
-# Copyright (c) 2010 Oracle. All rights reserved.
+# Copyright (c) 2011 Oracle. All rights reserved.
# This program and the accompanying materials are made available under the
# terms of the Eclipse Public License v1.0, which accompanies this distribution
# and is available at http://www.eclipse.org/legal/epl-v10.html.
@@ -7,7 +7,8 @@
# Contributors:
# Oracle - initial API and implementation
################################################################################
-
+javacSource = 1.5
+javacTarget = 1.5
bin.includes = .,\
META-INF/,\
about.html,\