Fix el7 and solaris11 tests introduced by weak ciphers deprecation in the server (WL#15800)

Change-Id: I3a7a902c0e2a0592f3b6ad5ac52dcee4e59e8287

Author: oscpache

tests/test_mysqlx_pooling.py

@@ -575,7 +575,7 @@ def test_get_client_with_tls_version(self):
 
         # Verify unsupported TLSv1.3 version is ignored (connection success)
         # when is not supported, TLSv1.2 is used
-        settings["tls-ciphersuites"] = ["DHE-RSA-AES256-SHA256"]
+        settings["tls-ciphersuites"] = ["DHE-RSA-AES256-GCM-SHA384"]
         settings["tls-versions"] = ["TLSv1.3", "TLSv1.2"]
         uri_settings = build_uri(**settings)
         client = mysqlx.get_client(uri_settings, cnx_options)