bpo-35045: Accept TLSv1 default in min max test (GH-11510)

Make ssl tests less strict and also accept TLSv1 as system default. The
changes unbreaks test_min_max_version on Fedora 29.

Signed-off-by: Christian Heimes <[email protected]>
(cherry picked from commit 34de2d3)

Co-authored-by: Christian Heimes <[email protected]>

Author: miss-islington

Lib/test/test_ssl.py

@@ -1108,8 +1108,11 @@ def test_hostname_checks_common_name(self):
                          "required OpenSSL 1.1.0g")
     def test_min_max_version(self):
         ctx = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
-        self.assertEqual(
-            ctx.minimum_version, ssl.TLSVersion.MINIMUM_SUPPORTED
+        # OpenSSL default is MINIMUM_SUPPORTED, however some vendors like
+        # Fedora override the setting to TLS 1.0.
+        self.assertIn(
+            ctx.minimum_version,
+            {ssl.TLSVersion.MINIMUM_SUPPORTED, ssl.TLSVersion.TLSv1}
         )
         self.assertEqual(
             ctx.maximum_version, ssl.TLSVersion.MAXIMUM_SUPPORTED

Misc/NEWS.d/next/Tests/2019-01-10-18-35-42.bpo-35045.qdd6d9.rst

@@ -0,0 +1,2 @@
+Make ssl tests less strict and also accept TLSv1 as system default. The
+changes unbreaks test_min_max_version on Fedora 29.