public static ReadObjectTest getReadInterfaceObjectTest() {
    TestSuite suite = new TestSuite();
    PopulationManager manager = PopulationManager.getDefaultManager();
    Contact contact = ((Employee) manager.getObject(Employee.class, "example1")).getContact();

    ExpressionBuilder builder = new ExpressionBuilder();
    Expression expression = builder.get("id").equal(contact.getEmp().getId());

    ReadObjectQuery query = new ReadObjectQuery();
    query.setReferenceClass(ContactHolder.class);
    query.setSelectionCriteria(expression);

    ReadObjectTest test = new ReadObjectTest(contact.getEmp());
    test.setQuery(query);

    return test;
  }
  public static TestSuite getSRGReadObjectTestSuite() {
    TestSuite suite = new TestSuite();
    suite.setName("EmployeeReadObjectTestSuite");
    suite.setDescription("This suite test the reading of each object in the employee demo.");

    Class employeeClass = Employee.class;
    Class largeProjectClass = LargeProject.class;
    Class smallProjectClass = SmallProject.class;
    PopulationManager manager = PopulationManager.getDefaultManager();

    suite.addTest(new ReadObjectTest(manager.getObject(employeeClass, "0001")));
    suite.addTest(new ReadObjectTest(manager.getObject(employeeClass, "0002")));
    suite.addTest(new ReadObjectTest(manager.getObject(employeeClass, "0003")));
    suite.addTest(new ReadObjectTest(manager.getObject(employeeClass, "0004")));
    suite.addTest(new ReadObjectTest(manager.getObject(employeeClass, "0005")));

    Project project = (Project) manager.getObject(largeProjectClass, "0001");
    ReadObjectTest test = new ReadObjectTest(project);
    test.setQuery(
        new org.eclipse.persistence.queries.ReadObjectQuery(
            Project.class,
            new org.eclipse.persistence.expressions.ExpressionBuilder()
                .get("id")
                .equal(project.getId())));
    suite.addTest(test);

    suite.addTest(new ReadObjectTest(manager.getObject(smallProjectClass, "0001")));
    suite.addTest(new ReadObjectTest(manager.getObject(smallProjectClass, "0002")));
    suite.addTest(new ReadObjectTest(manager.getObject(smallProjectClass, "0003")));

    suite.addTest(new ReadObjectTest(manager.getObject(largeProjectClass, "0001")));
    suite.addTest(new ReadObjectTest(manager.getObject(largeProjectClass, "0002")));
    suite.addTest(new ReadObjectTest(manager.getObject(largeProjectClass, "0003")));

    return suite;
  }