@Test
public void testAlterTable() throws Exception {

    Exception ex= null;
    try {
        columns.add(new ColumnNameTypeValue("newfield", ColumnType.STRING, "my new value"));
        Set<String> oldColumnNamesnew= new ListOrderedSet();
        oldColumnNamesnew.add("id");
        oldColumnNamesnew.add("name");
        oldColumnNamesnew.add("enabled");
        oldColumnNamesnew.add("timestamp");
        service.alterTable(TABLE, oldColumnNamesnew, columns);
    } catch (Exception e)  {
        ex= e;
    }
    assertEquals("Expected null but exception found", null, ex);
}