String key = relatedQueryHelper.getHostKey(entity);
        assertEquals("example.com", key);
    }

    @Test
    public void test_getRelatedQueries_noMatch() {
        List<RelatedQuery> testData = new ArrayList<>();
        testData.add(createRelatedQuery("java", new String[] { "programming" }, ""));
        mockBhv.setTestData(testData);