PYTHON-3967 SDAM unit test sharded/too_new needs to defined wireVersions for host b (mongodb#1817)

Author: blink1073

test/discovery_and_monitoring/rs/too_old.json

@@ -30,7 +30,9 @@
             "hosts": [
               "a:27017",
               "b:27017"
-            ]
+            ],
+            "minWireVersion": 999,
+            "maxWireVersion": 1000
           }
         ]
       ],

test/discovery_and_monitoring/sharded/too_new.json

@@ -21,7 +21,9 @@
             "ok": 1,
             "helloOk": true,
             "isWritablePrimary": true,
-            "msg": "isdbgrid"
+            "msg": "isdbgrid",
+            "minWireVersion": 7,
+            "maxWireVersion": 900
           }
         ]
       ],