private LuceneQueryBuilder builder;
@Before
public void setUp() throws Exception {
Functions functions = new ModulesBuilder()
.add(new OperatorModule()).createInjector().getInstance(Functions.class);
builder = new LuceneQueryBuilder(functions,
mock(SearchContext.class, Answers.RETURNS_MOCKS.get()),
mock(IndexCache.class, Answers.RETURNS_MOCKS.get()));
}