Fix pagedesigner JUnit test failure
diff --git a/jsf/tests/org.eclipse.jst.pagedesigner.tests/testdata/propertypages/test-metadata.xml b/jsf/tests/org.eclipse.jst.pagedesigner.tests/testdata/propertypages/test-metadata.xml
index e96f2de..38aff0d 100644
--- a/jsf/tests/org.eclipse.jst.pagedesigner.tests/testdata/propertypages/test-metadata.xml
+++ b/jsf/tests/org.eclipse.jst.pagedesigner.tests/testdata/propertypages/test-metadata.xml
@@ -2,6 +2,7 @@
 <md:metadatamodel xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" 
     xmlns:md="http://org.eclipse.jst.jsf.common.metadata/metadata.ecore"
+    xmlns:mdt="http://org.eclipse.jst.jsf.common.metadata/metadataTraitTypes.ecore"
     xmlns:qe="http://org.eclipse.jsf.pagedesigner/QuickEditTabSections.ecore"
     id="org.eclipse.jst.pagedesigner.tests.propertypages"
     type="tagFile">
@@ -51,6 +52,13 @@
     		<trait id="attribute-value-runtime-type">
     			<value>org.eclipse.jst.jsf.core.attributevalues.StringType</value>
     		</trait>
+			<trait id="valid-values">
+				<value xsi:type="mdt:ListOfValues">
+					<item>A</item>
+					<item>B</item>
+					<item>C</item>
+				</value>
+			</trait>
     	</entity>
     </entityGroup>
 </md:metadatamodel>
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