Index: urllib3-1.26.20/test/with_dummyserver/test_https.py
===================================================================
--- urllib3-1.26.20.orig/test/with_dummyserver/test_https.py
+++ urllib3-1.26.20/test/with_dummyserver/test_https.py
@@ -215,6 +215,10 @@ class TestHTTPS(HTTPSDummyServerTestCase
             assert conn.__class__ == VerifiedHTTPSConnection
 
             with warnings.catch_warnings(record=True) as w:
+                # Filter PyOpenSSL 25.1+ DeprecationWarning
+                warnings.filterwarnings(
+                    "ignore", message="Attempting to mutate a Context after", category=DeprecationWarning
+                )
                 r = https_pool.request("GET", "/")
                 assert r.status == 200
 
@@ -245,6 +249,13 @@ class TestHTTPS(HTTPSDummyServerTestCase
                 r = https_pool.request("GET", "/")
                 assert r.status == 200
 
+                # Filter PyOpenSSL 25.1+ DeprecationWarning
+                calls = warn.call_args_list
+                calls = [
+                    call for call in calls if call[0][1] != DeprecationWarning and
+                    not call[0][0].startswith("Attempting to mutate a Context")
+                ]
+
                 # Modern versions of Python, or systems using PyOpenSSL, don't
                 # emit warnings.
                 if (
@@ -252,7 +263,7 @@ class TestHTTPS(HTTPSDummyServerTestCase
                     or util.IS_PYOPENSSL
                     or util.IS_SECURETRANSPORT
                 ):
-                    assert not warn.called, warn.call_args_list
+                    assert not calls
                 else:
                     assert warn.called
                     if util.HAS_SNI:
@@ -274,6 +285,13 @@ class TestHTTPS(HTTPSDummyServerTestCase
                 r = https_pool.request("GET", "/")
                 assert r.status == 200
 
+                # Filter PyOpenSSL 25.1+ DeprecationWarning
+                calls = warn.call_args_list
+                calls = [
+                    call for call in calls if call[0][1] != DeprecationWarning and
+                    not call[0][0].startswith("Attempting to mutate a Context")
+                ]
+
                 # Modern versions of Python, or systems using PyOpenSSL, don't
                 # emit warnings.
                 if (
@@ -281,7 +299,7 @@ class TestHTTPS(HTTPSDummyServerTestCase
                     or util.IS_PYOPENSSL
                     or util.IS_SECURETRANSPORT
                 ):
-                    assert not warn.called, warn.call_args_list
+                    assert not calls
                 else:
                     assert warn.called
                     if util.HAS_SNI:
@@ -306,6 +324,10 @@ class TestHTTPS(HTTPSDummyServerTestCase
             assert conn.__class__ == VerifiedHTTPSConnection
 
             with warnings.catch_warnings(record=True) as w:
+                # Filter PyOpenSSL 25.1+ DeprecationWarning
+                warnings.filterwarnings(
+                    "ignore", message="Attempting to mutate a Context after", category=DeprecationWarning
+                )
                 r = https_pool.request("GET", "/")
                 assert r.status == 200
 
@@ -412,6 +434,12 @@ class TestHTTPS(HTTPSDummyServerTestCase
                 # warnings, which we want to ignore here.
                 calls = warn.call_args_list
 
+                # Filter PyOpenSSL 25.1+ DeprecationWarning
+                calls = [
+                    call for call in calls if call[0][1] != DeprecationWarning and
+                    not call[0][0].startswith("Attempting to mutate a Context")
+                ]
+
                 # If we're using a deprecated TLS version we can remove 'DeprecationWarning'
                 if self.tls_protocol_deprecated():
                     calls = [call for call in calls if call[0][1] != DeprecationWarning]
@@ -687,6 +715,11 @@ class TestHTTPS(HTTPSDummyServerTestCase
     def _request_without_resource_warnings(self, method, url):
         with warnings.catch_warnings(record=True) as w:
             warnings.simplefilter("always")
+            # Filter PyOpenSSL 25.1+ DeprecationWarning
+            warnings.filterwarnings(
+                "ignore", message="Attempting to mutate a Context after",
+                category=DeprecationWarning
+            )
             with HTTPSConnectionPool(
                 self.host, self.port, ca_certs=DEFAULT_CA
             ) as https_pool:
@@ -742,6 +775,11 @@ class TestHTTPS(HTTPSDummyServerTestCase
             conn = https_pool._get_conn()
             try:
                 with warnings.catch_warnings(record=True) as w:
+                    # Filter PyOpenSSL 25.1+ DeprecationWarning
+                    warnings.filterwarnings(
+                        "ignore", message="Attempting to mutate a Context after",
+                        category=DeprecationWarning
+                    )
                     conn.connect()
                     if not hasattr(conn.sock, "version"):
                         pytest.skip("SSLSocket.version() not available")
@@ -769,6 +807,11 @@ class TestHTTPS(HTTPSDummyServerTestCase
             conn = https_pool._get_conn()
             try:
                 with warnings.catch_warnings(record=True) as w:
+                    # Filter PyOpenSSL 25.1+ DeprecationWarning
+                    warnings.filterwarnings(
+                        "ignore", message="Attempting to mutate a Context after",
+                        category=DeprecationWarning
+                    )
                     conn.connect()
             finally:
                 conn.close()
@@ -788,6 +831,11 @@ class TestHTTPS(HTTPSDummyServerTestCase
             conn = https_pool._get_conn()
             try:
                 with warnings.catch_warnings(record=True) as w:
+                    # Filter PyOpenSSL 25.1+ DeprecationWarning
+                    warnings.filterwarnings(
+                        "ignore", message="Attempting to mutate a Context after",
+                        category=DeprecationWarning
+                    )
                     conn.connect()
             finally:
                 conn.close()