User admin = m_core.loadUserByUserName("superadmin");
User admin = m_core.loadUserByUserName(User.SUPERADMIN);
    public void testCreateAdminGroupAndInitialUserTask() throws Exception {        TestHelper.cleanInsert("ClearDb.xml");        m_core.createAdminGroupAndInitialUserTask();        User admin = m_core.loadUserByUserName("superadmin");        Group adminGroup = (Group) admin.getGroups().iterator().next();        IDataSet expectedDs = TestHelper                .loadDataSetFlat("common/CreateAdminAndInitialUserExpected.xml");        ReplacementDataSet expectedRds = new ReplacementDataSet(expectedDs);        expectedRds.addReplacementObject("[user_id]", admin.getId());        expectedRds.addReplacementObject("[group_id]", adminGroup.getId());        expectedRds.addReplacementObject("[weight]", adminGroup.getWeight());        expectedRds.addReplacementObject("[null]", null);        IDataSet actualDs = TestHelper.getConnection().createDataSet();        Assertion.assertEquals(expectedRds.getTable("users"), actualDs.getTable("users"));        Assertion.assertEquals(expectedRds.getTable("group_storage"), actualDs                .getTable("group_storage"));        Assertion.assertEquals(expectedRds.getTable("setting_value"), actualDs                .getTable("setting_value"));    }