diff --git a/tests/files_test.py b/tests/files_test.py
index c263cd3..5a81877 100644
--- a/tests/files_test.py
+++ b/tests/files_test.py
@@ -11,6 +11,7 @@
 import mocket
 import pytest
 import requests as python_requests
+from local_test_server import uses_local_server
 
 
 @pytest.fixture
@@ -20,7 +21,7 @@ def log_stream():
 
 @pytest.fixture
 def post_url():
-    return "https://httpbin.org/post"
+    return "http://127.0.0.1:5000/post"
 
 
 @pytest.fixture
@@ -63,6 +64,7 @@ def get_actual_request_data(log_stream):
     return boundary, content_length, actual_request_post
 
 
+@uses_local_server
 def test_post_file_as_data(  # pylint: disable=unused-argument
     requests, sock, log_stream, post_url, request_logging
 ):
@@ -85,6 +87,7 @@ def test_post_file_as_data(  # pylint: disable=unused-argument
     assert sent.endswith(actual_request_post)
 
 
+@uses_local_server
 def test_post_files_text(  # pylint: disable=unused-argument
     sock, requests, log_stream, post_url, request_logging
 ):
@@ -120,6 +123,7 @@ def test_post_files_text(  # pylint: disable=unused-argument
     assert sent.endswith(actual_request_post)
 
 
+@uses_local_server
 def test_post_files_file(  # pylint: disable=unused-argument
     sock, requests, log_stream, post_url, request_logging
 ):
@@ -164,6 +168,7 @@ def test_post_files_file(  # pylint: disable=unused-argument
     assert sent.endswith(actual_request_post)
 
 
+@uses_local_server
 def test_post_files_complex(  # pylint: disable=unused-argument
     sock, requests, log_stream, post_url, request_logging
 ):
diff --git a/tests/local_test_server.py b/tests/local_test_server.py
index 73b52b3..04f47ce 100644
--- a/tests/local_test_server.py
+++ b/tests/local_test_server.py
@@ -1,11 +1,47 @@
 # SPDX-FileCopyrightText: 2025 Tim Cocks
 #
 # SPDX-License-Identifier: MIT
+import functools
 import json
+import socketserver
+import threading
+import time
 from http.server import SimpleHTTPRequestHandler
 
 
+def uses_local_server(func):
+    @functools.wraps(func)
+    def wrapper(*args, **kwargs):
+        with ReusableAddressTCPServer(("127.0.0.1", 5000), LocalTestServerHandler) as server:
+            server_thread = threading.Thread(target=server.serve_forever)
+            server_thread.daemon = True
+            server_thread.start()
+            time.sleep(2)  # Give the server some time to start
+
+            result = func(*args, **kwargs)
+
+            server.shutdown()
+            server.server_close()
+            return result
+
+    return wrapper
+
+
+class ReusableAddressTCPServer(socketserver.TCPServer):
+    # Enable SO_REUSEADDR
+    allow_reuse_address = True
+
+
 class LocalTestServerHandler(SimpleHTTPRequestHandler):
+    def do_POST(self):
+        if self.path == "/post":
+            resp_body = json.dumps({"url": "http://localhost:5000/post"}).encode("utf-8")
+            self.send_response(200)
+            self.send_header("Content-type", "application/json")
+            self.send_header("Content-Length", str(len(resp_body)))
+            self.end_headers()
+            self.wfile.write(resp_body)
+
     def do_GET(self):
         if self.path == "/get":
             resp_body = json.dumps({"url": "http://localhost:5000/get"}).encode("utf-8")
diff --git a/tests/real_call_test.py b/tests/real_call_test.py
index b982f00..fad0178 100644
--- a/tests/real_call_test.py
+++ b/tests/real_call_test.py
@@ -12,11 +12,12 @@
 
 import adafruit_connection_manager
 import pytest
-from local_test_server import LocalTestServerHandler
+from local_test_server import uses_local_server
 
 import adafruit_requests
 
 
+@uses_local_server
 def test_gets():
     path_index = 0
     status_code_index = 1
@@ -28,25 +29,35 @@ def test_gets():
         ("status/204", 204, "", None),
     ]
 
-    with socketserver.TCPServer(("127.0.0.1", 5000), LocalTestServerHandler) as server:
-        server_thread = threading.Thread(target=server.serve_forever)
-        server_thread.daemon = True
-        server_thread.start()
-
-        time.sleep(2)  # Give the server some time to start
-
-        for case in cases:
-            requests = adafruit_requests.Session(socket, ssl.create_default_context())
-            with requests.get(f"http://127.0.0.1:5000/{case[path_index]}") as response:
-                assert response.status_code == case[status_code_index]
-                if case[text_result_index] is not None:
-                    assert response.text == case[text_result_index]
-                if case[json_keys_index] is not None:
-                    for key, value in case[json_keys_index].items():
-                        assert response.json()[key] == value
-
-            adafruit_connection_manager.connection_manager_close_all(release_references=True)
-
-        server.shutdown()
-        server.server_close()
-        time.sleep(2)
+    for case in cases:
+        requests = adafruit_requests.Session(socket, ssl.create_default_context())
+        with requests.get(f"http://127.0.0.1:5000/{case[path_index]}") as response:
+            assert response.status_code == case[status_code_index]
+            if case[text_result_index] is not None:
+                assert response.text == case[text_result_index]
+            if case[json_keys_index] is not None:
+                for key, value in case[json_keys_index].items():
+                    assert response.json()[key] == value
+
+        adafruit_connection_manager.connection_manager_close_all(release_references=True)
+
+
+@pytest.mark.parametrize(
+    ("allow_redirects", "status_code"),
+    (
+        (True, 200),
+        (False, 301),
+    ),
+)
+def test_http_to_https_redirect(allow_redirects, status_code):
+    url = "http://www.adafruit.com/api/quotes.php"
+    requests = adafruit_requests.Session(socket, ssl.create_default_context())
+    with requests.get(url, allow_redirects=allow_redirects) as response:
+        assert response.status_code == status_code
+
+
+def test_https_direct():
+    url = "https://www.adafruit.com/api/quotes.php"
+    requests = adafruit_requests.Session(socket, ssl.create_default_context())
+    with requests.get(url) as response:
+        assert response.status_code == 200