Fix partial delivery of code to DataModelSerializerTest

DataModelSerializerTest updated to re-include a change to the internal
DeserialisationHelperClass, the absence of which was causing a test
failure.

Author: dbarfield

client-lib-tests/src/test/java/com/ibm/ws/repository/transport/client/test/DataModelSerializerTest.java

@@ -362,6 +362,15 @@ public static class DeserialisationHelperClass {
         List<String> stringList;
         List<Boolean> booleanList;
         List<Integer> integerList;
+        Integer integerField;
+
+        public Integer getIntegerField() {
+            return integerField;
+        }
+
+        public void setIntegerField(Integer integerField) {
+            this.integerField = integerField;
+        }
 
         public int getIntField() {
             return intField;