@Test
public void testSetFieldBuilder() throws QueryNodeException {
QueryTreeBuilder qtb = new QueryTreeBuilder();
qtb.setBuilder("field", new DummyBuilder());
Object result = qtb.build(new FieldQueryNode(new UnescapedCharSequence("field"), "foo", 0, 0));
Assert.assertEquals("OK", result);
qtb = new QueryTreeBuilder();
qtb.setBuilder(DummyQueryNodeInterface.class, new DummyBuilder());
result = qtb.build(new DummyQueryNode());