diff --git a/vlib/net/http/http_proxy_test.v b/vlib/net/http/http_proxy_test.v
index f66000f228..af47bf3b82 100644
--- a/vlib/net/http/http_proxy_test.v
+++ b/vlib/net/http/http_proxy_test.v
@@ -1,8 +1,8 @@
 module http
 
 import encoding.base64
-import net
 import net.urllib
+import os
 
 const sample_proxy_url = 'https://localhost'
 const sample_auth_proxy_url = 'http://user:pass@localhost:8888'
@@ -49,79 +49,28 @@ fn test_proxy_headers_authenticated() ? {
 		'Proxy-Connection: Keep-Alive\r\nProxy-Authorization: Basic ${auth_token}\r\n\r\n'
 }
 
-fn test_http_do() {
-	// params
-	host := urllib.URL{
-		scheme: 'http'
-		host:   'httpbin.org'
-	}
-	path := '/get'
-	req := &Request{
-		method: Method.get
-		url:    'http://httpbin.org/get'
-	}
+fn test_http_proxy_do() {
+	env := os.environ()
+	mut env_proxy := ''
 
-	assert host.scheme == 'http'
-	assert host.host == 'httpbin.org'
-
-	host_name, port := net.split_address(host.hostname())!
-
-	assert host_name == 'httpbin.org'
-	assert port == 80 || port == 0
-
-	full_url := if host.scheme == 'http' || host.scheme == 'https' {
-		port_part := if port == 80 || port == 0 { '' } else { ':${port}' }
-		'${host.scheme}://${host.host}${port_part}${path}'
-	} else {
-		'${host.scheme}://${host.host}${path}'
-	}
-
-	assert full_url.starts_with('http') || full_url.starts_with('https')
-		|| full_url.starts_with('/')
-
-	s_proxy := new_http_proxy('http://8.8.8.8:8080')!
-	assert s_proxy.host == '8.8.8.8:8080'
-	assert s_proxy.hostname == '8.8.8.8'
-	assert s_proxy.port == 8080
-	assert s_proxy.url == 'http://8.8.8.8:8080'
-
-	s_fetch := prepare(FetchConfig{
-		url:   'http://httpbin.org/get'
-		proxy: s_proxy
-	})!
-
-	str := req.build_request_headers(req.method, host_name, port, full_url)
-
-	// Test the request headers string was built correctly
-	println(s_fetch)
-	println(str)
-	assert str.len > 0
-	assert str.contains('GET') && str.contains('HTTP/1.1')
-	assert str.contains(s_fetch.url)
-	assert str.contains('Host: httpbin.org')
-	assert str.contains('User-Agent:')
-
-	if host.scheme == 'http' || host.scheme == 'https' {
-		$if windows {
-			println('Running on Windows. Test would skip SSL connection.')
-			return
+	for envvar in ['http_proxy', 'HTTP_PROXY', 'https_proxy', 'HTTPS_PROXY'] {
+		prox_val := env[envvar] or { continue }
+		if prox_val != '' {
+			env_proxy = env[envvar]
 		}
-
-		mock_response_text := 'HTTP/1.1 200 OK\r\nContent-Type: application/json\r\nContent-Length: 32\r\n\r\n{"origin": "127.0.0.1", "url": "http://httpbin.org/get"}'
-		mock_result := parse_response(mock_response_text)!
-
-		assert mock_result.status_code == 200
-		assert mock_result.body.contains('"origin"')
-		assert str.starts_with('GET')
-		assert str.ends_with('\r\n\r\n')
-
-		assert req.read_timeout > 0
-		assert req.write_timeout > 0
-
-		// req.on_finish(req, u64(mock_response_text.len)) or { panic('on_finish callback failed') }
-
-		assert mock_result.body.len > 0
+	}
+	if env_proxy != '' {
+		println('Has usable proxy env vars')
+		proxy := new_http_proxy(env_proxy)!
+		mut header := new_header(key: .user_agent, value: 'vlib')
+		header.add_custom('X-Vlang-Test', 'proxied')!
+		res := proxy.http_do(urllib.parse('http://httpbin.org/headers')!, Method.get,
+			'/headers', &Request{ proxy: proxy, header: header })!
+		println(res.status_code)
+		println('he4aders ${res.header}')
+		assert res.status_code == 200
+		// assert res.header.data['X-Vlang-Test'] == 'proxied'
 	} else {
-		assert false, 'Should not reach here. Need to add more test cases'
+		println('Proxy env vars (HTTP_PROXY or HTTPS_PROXY) not set. Skipping test.')
 	}
 }