assertNotNull(processedRequest);
        // Blank credentials should be treated as no authentication
    }

    @Test
    public void test_request_withUsernameOnly() {
        setupMockConfig("localhost:9200", "testuser", "");

        curlHelper.init();

        CurlRequest request = new CurlRequest(Curl.Method.GET, "http://localhost:9200/test");