void testInitResponse() {
            TestServerMessageBlock2Response expectedResponse = new TestServerMessageBlock2Response(mockConfig);
            testRequest.setTestResponse(expectedResponse);
            testRequest.setDigest(mockDigest);

            TestServerMessageBlock2Response result = testRequest.initResponse(mockContext);

            assertNotNull(result);

        response = new TestServerMessageBlock2Response(mockConfig);
    }

    @Nested
    @DisplayName("Constructor Tests")
    class ConstructorTests {

        @Test
        @DisplayName("Should construct with config only")
        void testConstructorWithConfig() {
            TestServerMessageBlock2Response resp = new TestServerMessageBlock2Response(mockConfig);
            assertNotNull(resp);