diff --git a/Lib/test/capath/0e4015b9.0 b/Lib/test/capath/0e4015b9.0
new file mode 100644
index 0000000..b6d259b
--- /dev/null
+++ b/Lib/test/capath/0e4015b9.0
@@ -0,0 +1,16 @@
+-----BEGIN CERTIFICATE-----
+MIIClTCCAf6gAwIBAgIJAKGU95wKR8pTMA0GCSqGSIb3DQEBBQUAMHAxCzAJBgNV
+BAYTAlhZMRcwFQYDVQQHDA5DYXN0bGUgQW50aHJheDEjMCEGA1UECgwaUHl0aG9u
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+bGYtc2lnbmVkLnB5dGhvbnRlc3QubmV0MAwGA1UdEwQFMAMBAf8wDQYJKoZIhvcN
+AQEFBQADgYEAIuzAhgMouJpNdf3URCHIineyoSt6WK/9+eyUcjlKOrDoXNZaD72h
+TXMeKYoWvJyVcSLKL8ckPtDobgP2OTt0UkyAaj0n+ZHaqq1lH2yVfGUA1ILJv515
+C8BqbvVZuqm3i7ygmw3bqE/lYMgOrYtXXnqOrz6nvsE6Yc9V9rFflOM=
+-----END CERTIFICATE-----
diff --git a/Lib/test/capath/ce7b8643.0 b/Lib/test/capath/ce7b8643.0
new file mode 100644
index 0000000..b6d259b
--- /dev/null
+++ b/Lib/test/capath/ce7b8643.0
@@ -0,0 +1,16 @@
+-----BEGIN CERTIFICATE-----
+MIIClTCCAf6gAwIBAgIJAKGU95wKR8pTMA0GCSqGSIb3DQEBBQUAMHAxCzAJBgNV
+BAYTAlhZMRcwFQYDVQQHDA5DYXN0bGUgQW50aHJheDEjMCEGA1UECgwaUHl0aG9u
+IFNvZnR3YXJlIEZvdW5kYXRpb24xIzAhBgNVBAMMGnNlbGYtc2lnbmVkLnB5dGhv
+bnRlc3QubmV0MB4XDTE0MTEwMjE4MDkyOVoXDTI0MTAzMDE4MDkyOVowcDELMAkG
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+EHY57lQsBS3G59RZyBPVqAqmImWNJnVzAgMBAAGjNzA1MCUGA1UdEQQeMByCGnNl
+bGYtc2lnbmVkLnB5dGhvbnRlc3QubmV0MAwGA1UdEwQFMAMBAf8wDQYJKoZIhvcN
+AQEFBQADgYEAIuzAhgMouJpNdf3URCHIineyoSt6WK/9+eyUcjlKOrDoXNZaD72h
+TXMeKYoWvJyVcSLKL8ckPtDobgP2OTt0UkyAaj0n+ZHaqq1lH2yVfGUA1ILJv515
+C8BqbvVZuqm3i7ygmw3bqE/lYMgOrYtXXnqOrz6nvsE6Yc9V9rFflOM=
+-----END CERTIFICATE-----
diff --git a/Lib/test/https_svn_python_org_root.pem b/Lib/test/https_svn_python_org_root.pem
deleted file mode 100644
index e7dfc82..0000000
--- a/Lib/test/https_svn_python_org_root.pem
+++ /dev/null
@@ -1,41 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIHPTCCBSWgAwIBAgIBADANBgkqhkiG9w0BAQQFADB5MRAwDgYDVQQKEwdSb290
-IENBMR4wHAYDVQQLExVodHRwOi8vd3d3LmNhY2VydC5vcmcxIjAgBgNVBAMTGUNB
-IENlcnQgU2lnbmluZyBBdXRob3JpdHkxITAfBgkqhkiG9w0BCQEWEnN1cHBvcnRA
-Y2FjZXJ0Lm9yZzAeFw0wMzAzMzAxMjI5NDlaFw0zMzAzMjkxMjI5NDlaMHkxEDAO
-BgNVBAoTB1Jvb3QgQ0ExHjAcBgNVBAsTFWh0dHA6Ly93d3cuY2FjZXJ0Lm9yZzEi
-MCAGA1UEAxMZQ0EgQ2VydCBTaWduaW5nIEF1dGhvcml0eTEhMB8GCSqGSIb3DQEJ
-ARYSc3VwcG9ydEBjYWNlcnQub3JnMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIIC
-CgKCAgEAziLA4kZ97DYoB1CW8qAzQIxL8TtmPzHlawI229Z89vGIj053NgVBlfkJ
-8BLPRoZzYLdufujAWGSuzbCtRRcMY/pnCujW0r8+55jE8Ez64AO7NV1sId6eINm6
-zWYyN3L69wj1x81YyY7nDl7qPv4coRQKFWyGhFtkZip6qUtTefWIonvuLwphK42y
-fk1WpRPs6tqSnqxEQR5YYGUFZvjARL3LlPdCfgv3ZWiYUQXw8wWRBB0bF4LsyFe7
-w2t6iPGwcswlWyCR7BYCEo8y6RcYSNDHBS4CMEK4JZwFaz+qOqfrU0j36NK2B5jc
-G8Y0f3/JHIJ6BVgrCFvzOKKrF11myZjXnhCLotLddJr3cQxyYN/Nb5gznZY0dj4k
-epKwDpUeb+agRThHqtdB7Uq3EvbXG4OKDy7YCbZZ16oE/9KTfWgu3YtLq1i6L43q
-laegw1SJpfvbi1EinbLDvhG+LJGGi5Z4rSDTii8aP8bQUWWHIbEZAWV/RRyH9XzQ
-QUxPKZgh/TMfdQwEUfoZd9vUFBzugcMd9Zi3aQaRIt0AUMyBMawSB3s42mhb5ivU
-fslfrejrckzzAeVLIL+aplfKkQABi6F1ITe1Yw1nPkZPcCBnzsXWWdsC4PDSy826
-YreQQejdIOQpvGQpQsgi3Hia/0PsmBsJUUtaWsJx8cTLc6nloQsCAwEAAaOCAc4w
-ggHKMB0GA1UdDgQWBBQWtTIb1Mfz4OaO873SsDrusjkY0TCBowYDVR0jBIGbMIGY
-gBQWtTIb1Mfz4OaO873SsDrusjkY0aF9pHsweTEQMA4GA1UEChMHUm9vdCBDQTEe
-MBwGA1UECxMVaHR0cDovL3d3dy5jYWNlcnQub3JnMSIwIAYDVQQDExlDQSBDZXJ0
-IFNpZ25pbmcgQXV0aG9yaXR5MSEwHwYJKoZIhvcNAQkBFhJzdXBwb3J0QGNhY2Vy
-dC5vcmeCAQAwDwYDVR0TAQH/BAUwAwEB/zAyBgNVHR8EKzApMCegJaAjhiFodHRw
-czovL3d3dy5jYWNlcnQub3JnL3Jldm9rZS5jcmwwMAYJYIZIAYb4QgEEBCMWIWh0
-dHBzOi8vd3d3LmNhY2VydC5vcmcvcmV2b2tlLmNybDA0BglghkgBhvhCAQgEJxYl
-aHR0cDovL3d3dy5jYWNlcnQub3JnL2luZGV4LnBocD9pZD0xMDBWBglghkgBhvhC
-AQ0ESRZHVG8gZ2V0IHlvdXIgb3duIGNlcnRpZmljYXRlIGZvciBGUkVFIGhlYWQg
-b3ZlciB0byBodHRwOi8vd3d3LmNhY2VydC5vcmcwDQYJKoZIhvcNAQEEBQADggIB
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-SCX8Ev2fQtzzxD72V7DX3WnRBnc0CkvSyqD/HMaMyRa+xMwyN2hzXwj7UfdJUzYF
-CpUCTPJ5GhD22Dp1nPMd8aINcGeGG7MW9S/lpOt5hvk9C8JzC6WZrG/8Z7jlLwum
-GCSNe9FINSkYQKyTYOGWhlC0elnYjyELn8+CkcY7v2vcB5G5l1YjqrZslMZIBjzk
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-omTxJBzcoTWcFbLUvFUufQb1nA5V9FrWk9p2rSVzTMVD
------END CERTIFICATE-----
diff --git a/Lib/test/selfsigned_pythontestdotnet.pem b/Lib/test/selfsigned_pythontestdotnet.pem
new file mode 100644
index 0000000..b6d259b
--- /dev/null
+++ b/Lib/test/selfsigned_pythontestdotnet.pem
@@ -0,0 +1,16 @@
+-----BEGIN CERTIFICATE-----
+MIIClTCCAf6gAwIBAgIJAKGU95wKR8pTMA0GCSqGSIb3DQEBBQUAMHAxCzAJBgNV
+BAYTAlhZMRcwFQYDVQQHDA5DYXN0bGUgQW50aHJheDEjMCEGA1UECgwaUHl0aG9u
+IFNvZnR3YXJlIEZvdW5kYXRpb24xIzAhBgNVBAMMGnNlbGYtc2lnbmVkLnB5dGhv
+bnRlc3QubmV0MB4XDTE0MTEwMjE4MDkyOVoXDTI0MTAzMDE4MDkyOVowcDELMAkG
+A1UEBhMCWFkxFzAVBgNVBAcMDkNhc3RsZSBBbnRocmF4MSMwIQYDVQQKDBpQeXRo
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+EHY57lQsBS3G59RZyBPVqAqmImWNJnVzAgMBAAGjNzA1MCUGA1UdEQQeMByCGnNl
+bGYtc2lnbmVkLnB5dGhvbnRlc3QubmV0MAwGA1UdEwQFMAMBAf8wDQYJKoZIhvcN
+AQEFBQADgYEAIuzAhgMouJpNdf3URCHIineyoSt6WK/9+eyUcjlKOrDoXNZaD72h
+TXMeKYoWvJyVcSLKL8ckPtDobgP2OTt0UkyAaj0n+ZHaqq1lH2yVfGUA1ILJv515
+C8BqbvVZuqm3i7ygmw3bqE/lYMgOrYtXXnqOrz6nvsE6Yc9V9rFflOM=
+-----END CERTIFICATE-----
diff --git a/Lib/test/test_httplib.py b/Lib/test/test_httplib.py
index c8ded92..d8172c1 100644
--- a/Lib/test/test_httplib.py
+++ b/Lib/test/test_httplib.py
@@ -15,8 +15,8 @@
 CERT_localhost = os.path.join(here, 'keycert.pem')
 # Self-signed cert file for 'fakehostname'
 CERT_fakehostname = os.path.join(here, 'keycert2.pem')
-# Root cert file (CA) for svn.python.org's cert
-CACERT_svn_python_org = os.path.join(here, 'https_svn_python_org_root.pem')
+# Self-signed cert file for self-signed.pythontest.net
+CERT_selfsigned_pythontestdotnet = os.path.join(here, 'selfsigned_pythontestdotnet.pem')
 
 HOST = support.HOST
 
@@ -758,17 +758,18 @@
             self._check_svn_python_org(resp)
 
     def test_networked_good_cert(self):
-        # We feed a CA cert that validates the server's cert
+        # We feed the server's cert as a validating cert
         import ssl
         support.requires('network')
-        with support.transient_internet('svn.python.org'):
+        with support.transient_internet('self-signed.pythontest.net'):
             context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
             context.verify_mode = ssl.CERT_REQUIRED
-            context.load_verify_locations(CACERT_svn_python_org)
-            h = client.HTTPSConnection('svn.python.org', 443, context=context)
+            context.load_verify_locations(CERT_selfsigned_pythontestdotnet)
+            h = client.HTTPSConnection('self-signed.pythontest.net', 443, context=context)
             h.request('GET', '/')
             resp = h.getresponse()
-            self._check_svn_python_org(resp)
+            server_string = resp.getheader('server')
+            self.assertIn('nginx', server_string)
 
     def test_networked_bad_cert(self):
         # We feed a "CA" cert that is unrelated to the server's cert
diff --git a/Lib/test/test_ssl.py b/Lib/test/test_ssl.py
index e52a71c..03d40b2 100644
--- a/Lib/test/test_ssl.py
+++ b/Lib/test/test_ssl.py
@@ -29,7 +29,8 @@
 
 HOST = support.HOST
 
-data_file = lambda name: os.path.join(os.path.dirname(__file__), name)
+def data_file(*name):
+    return os.path.join(os.path.dirname(__file__), *name)
 
 # The custom key and certificate files used in test_ssl are generated
 # using Lib/test/make_ssl_certs.py.
@@ -47,8 +48,10 @@
 KEY_PASSWORD = "somepass"
 CAPATH = data_file("capath")
 BYTES_CAPATH = os.fsencode(CAPATH)
+CAFILE_CACERT = data_file("capath", "5ed36f99.0")
 
-SVN_PYTHON_ORG_ROOT_CERT = data_file("https_svn_python_org_root.pem")
+REMOTE_HOST = "self-signed.pythontest.net"
+REMOTE_ROOT_CERT = data_file("selfsigned_pythontestdotnet.pem")
 
 EMPTYCERT = data_file("nullcert.pem")
 BADCERT = data_file("badcert.pem")
@@ -229,7 +232,7 @@
         self.assertEqual(p['subjectAltName'], san)
 
     def test_DER_to_PEM(self):
-        with open(SVN_PYTHON_ORG_ROOT_CERT, 'r') as f:
+        with open(CAFILE_CACERT, 'r') as f:
             pem = f.read()
         d1 = ssl.PEM_cert_to_DER_cert(pem)
         p2 = ssl.DER_cert_to_PEM_cert(d1)
@@ -592,7 +595,7 @@
         # Mismatching key and cert
         ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
         with self.assertRaisesRegex(ssl.SSLError, "key values mismatch"):
-            ctx.load_cert_chain(SVN_PYTHON_ORG_ROOT_CERT, ONLYKEY)
+            ctx.load_cert_chain(CAFILE_CACERT, ONLYKEY)
         # Password protected key and cert
         ctx.load_cert_chain(CERTFILE_PROTECTED, password=KEY_PASSWORD)
         ctx.load_cert_chain(CERTFILE_PROTECTED, password=KEY_PASSWORD.encode())
@@ -759,11 +762,11 @@
 class NetworkedTests(unittest.TestCase):
 
     def test_connect(self):
-        with support.transient_internet("svn.python.org"):
+        with support.transient_internet(REMOTE_HOST):
             s = ssl.wrap_socket(socket.socket(socket.AF_INET),
                                 cert_reqs=ssl.CERT_NONE)
             try:
-                s.connect(("svn.python.org", 443))
+                s.connect((REMOTE_HOST, 443))
                 self.assertEqual({}, s.getpeercert())
             finally:
                 s.close()
@@ -772,27 +775,27 @@
             s = ssl.wrap_socket(socket.socket(socket.AF_INET),
                                 cert_reqs=ssl.CERT_REQUIRED)
             self.assertRaisesRegex(ssl.SSLError, "certificate verify failed",
-                                   s.connect, ("svn.python.org", 443))
+                                   s.connect, (REMOTE_HOST, 443))
             s.close()
 
             # this should succeed because we specify the root cert
             s = ssl.wrap_socket(socket.socket(socket.AF_INET),
                                 cert_reqs=ssl.CERT_REQUIRED,
-                                ca_certs=SVN_PYTHON_ORG_ROOT_CERT)
+                                ca_certs=REMOTE_ROOT_CERT)
             try:
-                s.connect(("svn.python.org", 443))
+                s.connect((REMOTE_HOST, 443))
                 self.assertTrue(s.getpeercert())
             finally:
                 s.close()
 
     def test_connect_ex(self):
         # Issue #11326: check connect_ex() implementation
-        with support.transient_internet("svn.python.org"):
+        with support.transient_internet(REMOTE_HOST):
             s = ssl.wrap_socket(socket.socket(socket.AF_INET),
                                 cert_reqs=ssl.CERT_REQUIRED,
-                                ca_certs=SVN_PYTHON_ORG_ROOT_CERT)
+                                ca_certs=REMOTE_ROOT_CERT)
             try:
-                self.assertEqual(0, s.connect_ex(("svn.python.org", 443)))
+                self.assertEqual(0, s.connect_ex((REMOTE_HOST, 443)))
                 self.assertTrue(s.getpeercert())
             finally:
                 s.close()
@@ -800,14 +803,14 @@
     def test_non_blocking_connect_ex(self):
         # Issue #11326: non-blocking connect_ex() should allow handshake
         # to proceed after the socket gets ready.
-        with support.transient_internet("svn.python.org"):
+        with support.transient_internet(REMOTE_HOST):
             s = ssl.wrap_socket(socket.socket(socket.AF_INET),
                                 cert_reqs=ssl.CERT_REQUIRED,
-                                ca_certs=SVN_PYTHON_ORG_ROOT_CERT,
+                                ca_certs=REMOTE_ROOT_CERT,
                                 do_handshake_on_connect=False)
             try:
                 s.setblocking(False)
-                rc = s.connect_ex(('svn.python.org', 443))
+                rc = s.connect_ex((REMOTE_HOST, 443))
                 # EWOULDBLOCK under Windows, EINPROGRESS elsewhere
                 self.assertIn(rc, (0, errno.EINPROGRESS, errno.EWOULDBLOCK))
                 # Wait for connect to finish
@@ -829,61 +832,65 @@
     def test_timeout_connect_ex(self):
         # Issue #12065: on a timeout, connect_ex() should return the original
         # errno (mimicking the behaviour of non-SSL sockets).
-        with support.transient_internet("svn.python.org"):
+        with support.transient_internet(REMOTE_HOST):
             s = ssl.wrap_socket(socket.socket(socket.AF_INET),
                                 cert_reqs=ssl.CERT_REQUIRED,
-                                ca_certs=SVN_PYTHON_ORG_ROOT_CERT,
+                                ca_certs=REMOTE_ROOT_CERT,
                                 do_handshake_on_connect=False)
             try:
                 s.settimeout(0.0000001)
-                rc = s.connect_ex(('svn.python.org', 443))
+                rc = s.connect_ex((REMOTE_HOST, 443))
                 if rc == 0:
-                    self.skipTest("svn.python.org responded too quickly")
+                    self.skipTest("REMOTE_HOST responded too quickly")
                 self.assertIn(rc, (errno.EAGAIN, errno.EWOULDBLOCK))
             finally:
                 s.close()
 
     def test_connect_ex_error(self):
-        with support.transient_internet("svn.python.org"):
+        with support.transient_internet(REMOTE_HOST):
             s = ssl.wrap_socket(socket.socket(socket.AF_INET),
                                 cert_reqs=ssl.CERT_REQUIRED,
-                                ca_certs=SVN_PYTHON_ORG_ROOT_CERT)
+                                ca_certs=REMOTE_ROOT_CERT)
             try:
-                rc = s.connect_ex(("svn.python.org", 444))
+                rc = s.connect_ex((REMOTE_HOST, 444))
                 # Issue #19919: Windows machines or VMs hosted on Windows
                 # machines sometimes return EWOULDBLOCK.
-                self.assertIn(rc, (errno.ECONNREFUSED, errno.EWOULDBLOCK))
+                errors = (
+                    errno.ECONNREFUSED, errno.EHOSTUNREACH,
+                    errno.EWOULDBLOCK,
+                )
+                self.assertIn(rc, errors)
             finally:
                 s.close()
 
     def test_connect_with_context(self):
-        with support.transient_internet("svn.python.org"):
+        with support.transient_internet(REMOTE_HOST):
             # Same as test_connect, but with a separately created context
             ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
             s = ctx.wrap_socket(socket.socket(socket.AF_INET))
-            s.connect(("svn.python.org", 443))
+            s.connect((REMOTE_HOST, 443))
             try:
                 self.assertEqual({}, s.getpeercert())
             finally:
                 s.close()
             # Same with a server hostname
             s = ctx.wrap_socket(socket.socket(socket.AF_INET),
-                                server_hostname="svn.python.org")
+                                server_hostname=REMOTE_HOST)
             if ssl.HAS_SNI:
-                s.connect(("svn.python.org", 443))
+                s.connect((REMOTE_HOST, 443))
                 s.close()
             else:
-                self.assertRaises(ValueError, s.connect, ("svn.python.org", 443))
+                self.assertRaises(ValueError, s.connect, (REMOTE_HOST, 443))
             # This should fail because we have no verification certs
             ctx.verify_mode = ssl.CERT_REQUIRED
             s = ctx.wrap_socket(socket.socket(socket.AF_INET))
             self.assertRaisesRegex(ssl.SSLError, "certificate verify failed",
-                                    s.connect, ("svn.python.org", 443))
+                                    s.connect, (REMOTE_HOST, 443))
             s.close()
             # This should succeed because we specify the root cert
-            ctx.load_verify_locations(SVN_PYTHON_ORG_ROOT_CERT)
+            ctx.load_verify_locations(REMOTE_ROOT_CERT)
             s = ctx.wrap_socket(socket.socket(socket.AF_INET))
-            s.connect(("svn.python.org", 443))
+            s.connect((REMOTE_HOST, 443))
             try:
                 cert = s.getpeercert()
                 self.assertTrue(cert)
@@ -896,12 +903,12 @@
         # OpenSSL 0.9.8n and 1.0.0, as a result the capath directory must
         # contain both versions of each certificate (same content, different
         # filename) for this test to be portable across OpenSSL releases.
-        with support.transient_internet("svn.python.org"):
+        with support.transient_internet(REMOTE_HOST):
             ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
             ctx.verify_mode = ssl.CERT_REQUIRED
             ctx.load_verify_locations(capath=CAPATH)
             s = ctx.wrap_socket(socket.socket(socket.AF_INET))
-            s.connect(("svn.python.org", 443))
+            s.connect((REMOTE_HOST, 443))
             try:
                 cert = s.getpeercert()
                 self.assertTrue(cert)
@@ -912,7 +919,7 @@
             ctx.verify_mode = ssl.CERT_REQUIRED
             ctx.load_verify_locations(capath=BYTES_CAPATH)
             s = ctx.wrap_socket(socket.socket(socket.AF_INET))
-            s.connect(("svn.python.org", 443))
+            s.connect((REMOTE_HOST, 443))
             try:
                 cert = s.getpeercert()
                 self.assertTrue(cert)
@@ -924,9 +931,9 @@
         # Issue #5238: creating a file-like object with makefile() shouldn't
         # delay closing the underlying "real socket" (here tested with its
         # file descriptor, hence skipping the test under Windows).
-        with support.transient_internet("svn.python.org"):
+        with support.transient_internet(REMOTE_HOST):
             ss = ssl.wrap_socket(socket.socket(socket.AF_INET))
-            ss.connect(("svn.python.org", 443))
+            ss.connect((REMOTE_HOST, 443))
             fd = ss.fileno()
             f = ss.makefile()
             f.close()
@@ -940,9 +947,9 @@
             self.assertEqual(e.exception.errno, errno.EBADF)
 
     def test_non_blocking_handshake(self):
-        with support.transient_internet("svn.python.org"):
+        with support.transient_internet(REMOTE_HOST):
             s = socket.socket(socket.AF_INET)
-            s.connect(("svn.python.org", 443))
+            s.connect((REMOTE_HOST, 443))
             s.setblocking(False)
             s = ssl.wrap_socket(s,
                                 cert_reqs=ssl.CERT_NONE,
@@ -988,12 +995,12 @@
                 if support.verbose:
                     sys.stdout.write("\nVerified certificate for %s:%s is\n%s\n" % (host, port ,pem))
 
-        _test_get_server_certificate('svn.python.org', 443, SVN_PYTHON_ORG_ROOT_CERT)
+        _test_get_server_certificate(REMOTE_HOST, 443, REMOTE_ROOT_CERT)
         if support.IPV6_ENABLED:
             _test_get_server_certificate('ipv6.google.com', 443)
 
     def test_ciphers(self):
-        remote = ("svn.python.org", 443)
+        remote = (REMOTE_HOST, 443)
         with support.transient_internet(remote[0]):
             with ssl.wrap_socket(socket.socket(socket.AF_INET),
                                  cert_reqs=ssl.CERT_NONE, ciphers="ALL") as s:
@@ -2150,7 +2157,7 @@
         print("          HAS_SNI = %r" % ssl.HAS_SNI)
 
     for filename in [
-        CERTFILE, SVN_PYTHON_ORG_ROOT_CERT, BYTES_CERTFILE,
+        CERTFILE, REMOTE_ROOT_CERT, BYTES_CERTFILE,
         ONLYCERT, ONLYKEY, BYTES_ONLYCERT, BYTES_ONLYKEY,
         BADCERT, BADKEY, EMPTYCERT]:
         if not os.path.exists(filename):