String resultString = loadJsonFromFile("expressionTest.json");
ConfigurationDefinition definition = loadDescriptor("test12");
ObjectMapper mapper = new ObjectMapper();
ComplexResult result = mapper.readValue(resultString, ComplexResult.class);
JsonNode json = mapper.valueToTree(result);
FakeConnection connection = new FakeConnection();
connection.setContent(json);
ConfigurationLoadDelegate delegate = new ConfigurationLoadDelegate(definition, connection, null);