fix sslwrap_simple (closes #22523)

Thanks Alex Gaynor.
diff --git a/Lib/ssl.py b/Lib/ssl.py
index 43c91a2..5bc07a7 100644
--- a/Lib/ssl.py
+++ b/Lib/ssl.py
@@ -969,16 +969,16 @@
 # a replacement for the old socket.ssl function
 
 def sslwrap_simple(sock, keyfile=None, certfile=None):
-
     """A replacement for the old socket.ssl function.  Designed
     for compability with Python 2.5 and earlier.  Will disappear in
     Python 3.0."""
-
     if hasattr(sock, "_sock"):
         sock = sock._sock
 
-    ssl_sock = _ssl.sslwrap(sock, 0, keyfile, certfile, CERT_NONE,
-                            PROTOCOL_SSLv23, None)
+    ctx = SSLContext(PROTOCOL_SSLv23)
+    if keyfile or certfile:
+        ctx.load_cert_chain(certfile, keyfile)
+    ssl_sock = ctx._wrap_socket(sock, server_side=False)
     try:
         sock.getpeername()
     except socket_error:
diff --git a/Lib/test/test_ssl.py b/Lib/test/test_ssl.py
index eac994f..75bb1e0 100644
--- a/Lib/test/test_ssl.py
+++ b/Lib/test/test_ssl.py
@@ -94,6 +94,8 @@
                 pass
             else:
                 raise
+
+
 def can_clear_options():
     # 0.9.8m or higher
     return ssl._OPENSSL_API_VERSION >= (0, 9, 8, 13, 15)
@@ -2944,7 +2946,7 @@
         if not os.path.exists(filename):
             raise support.TestFailed("Can't read certificate file %r" % filename)
 
-    tests = [ContextTests, BasicSocketTests, SSLErrorTests]
+    tests = [ContextTests, BasicTests, BasicSocketTests, SSLErrorTests]
 
     if support.is_resource_enabled('network'):
         tests.append(NetworkedTests)