JBIDE-14102 Add JSF Capabilities Action JUnit Test doesn't work on JDK 1.6

The faceted project configuration fixed for JUnit Test case

	modified:   jsf/plugins/org.jboss.tools.jsf.ui/src/org/jboss/tools/jsf/ui/action/AddJSFNatureActionDelegate.java
	modified:   jsf/tests/org.jboss.tools.jsf.ui.test/src/org/jboss/tools/jsf/ui/test/AddJSFCapabilitiesTest.java