@Test
public void testHasColumn() {

    TableImpl<Node> table = new TableImpl<Node>(Node.class, false);
    table.addColumn("Id", Integer.class);
    Assert.assertTrue(table.hasColumn("Id"));
    Assert.assertTrue(table.hasColumn("ID"));
    Assert.assertTrue(table.hasColumn("id"));
    Assert.assertTrue(table.hasColumn("iD"));
}