FailureExpectedWithNewMetamodel cleanup

Author: sebersole

hibernate-core/src/main/java/org/hibernate/internal/util/StringHelper.java

@@ -496,6 +496,10 @@ public static String[] qualifyIfNot(String prefix, String[] names) {
 }
 
 public static String qualifyIfNot(String qualifier, String name) {
+if ( isEmpty( name ) ) {
+return null;
+}
+
 if ( name.indexOf( '.' ) > 0 ) {
 return name;
 }