AssertJUnit.assertEquals( QueryParam.AND, nestedAndFilter.getQueryParam() );
AssertJUnit.assertEquals( 2, nestedAndFilter.getFilters().size() );
// SERIALIZE TO STRING to test serialization logic
String unitTestString = jsonUtil.toJsonString( queryFilter );
// LOAD and Diffy the plain vanilla JSON versions of the documents
Map<String, Object> actual = JsonUtils.jsonToMap( unitTestString );
Map<String, Object> expected = JsonUtils.classpathToMap( testFixture );