diff --git a/tests/test_config.py b/tests/test_config.py
index b66de7e15..2208780d1 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -1,4 +1,5 @@
 import os
+import platform
 import socket
 import sys
 
@@ -164,12 +165,18 @@ def test_config_file_descriptor():
     assert config.fd == 1
 
 
+@pytest.mark.skipif(
+    sys.platform.startswith("win") or platform.python_implementation() == "PyPy",
+    reason="Skipping uds test on Windows",
+)
 def test_config_rebind_socket():
     sock = socket.socket()
     config = Config(asgi_app)
-    with pytest.raises(SystemExit) as pytest_wrapped_e:
+    try:
         sock.bind((config.host, config.port))
-        config.bind_socket()
-    assert pytest_wrapped_e.type == SystemExit
-    assert pytest_wrapped_e.value.code == 1
-    sock.close()
+        with pytest.raises(SystemExit) as pytest_wrapped_e:
+            config.bind_socket()
+        assert pytest_wrapped_e.type == SystemExit
+        assert pytest_wrapped_e.value.code == 1
+    finally:
+        sock.close()
diff --git a/tests/test_main.py b/tests/test_main.py
index dcddf1536..0219e337c 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -1,4 +1,5 @@
 import asyncio
+import platform
 import socket
 import sys
 import threading
@@ -127,7 +128,8 @@ def safe_run():
 
 
 @pytest.mark.skipif(
-    sys.platform.startswith("win"), reason="Skipping uds test on Windows"
+    sys.platform.startswith("win") or platform.python_implementation() == "PyPy",
+    reason="Skipping uds test on Windows and pypy",
 )
 def test_run_uds(tmp_path):
     class App:
@@ -161,3 +163,45 @@ def install_signal_handlers(self):
     finally:
         sock_client.close()
     thread.join()
+
+
+@pytest.mark.skipif(
+    sys.platform.startswith("win") or platform.python_implementation() == "PyPy",
+    reason="Skipping fd test on Windows and pypy",
+)
+def test_run_fd(tmp_path):
+    class App:
+        def __init__(self, scope):
+            if scope["type"] != "http":
+                raise Exception()
+
+        async def __call__(self, receive, send):
+            await send({"type": "http.response.start", "status": 204, "headers": []})
+            await send({"type": "http.response.body", "body": b"", "more_body": False})
+
+    class CustomServer(Server):
+        def install_signal_handlers(self):
+            pass
+
+    uds = str(tmp_path / "socket")
+    sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
+    fd = sock.fileno()
+    sock.bind(uds)
+    config = Config(app=App, loop="asyncio", limit_max_requests=1, fd=fd)
+    server = CustomServer(config=config)
+    thread = threading.Thread(target=server.run)
+    thread.start()
+    while not server.started:
+        time.sleep(0.01)
+    data = b"GET / HTTP/1.1\r\n\r\n"
+    sock_client = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
+    try:
+        sock_client.connect(uds)
+        r = sock_client.sendall(data)
+        assert r is None
+    except Exception as e:
+        print(e)
+    finally:
+        sock_client.close()
+        sock.close()
+    thread.join()