fix tests

Author: blink1073

test/auth/legacy/connection-string.json

@@ -626,26 +626,6 @@
       "uri": "mongodb://user:pass@localhost/?authMechanism=MONGODB-OIDC&authMechanismProperties=ENVIRONMENT:gcp",
       "valid": false,
       "credential": null
-    },
-    {
-      "description": "should recognise the mechanism with k8s provider (MONGODB-OIDC)",
-      "uri": "mongodb://localhost/?authMechanism=MONGODB-OIDC&authMechanismProperties=ENVIRONMENT:k8s",
-      "valid": true,
-      "credential": {
-        "username": null,
-        "password": null,
-        "source": "$external",
-        "mechanism": "MONGODB-OIDC",
-        "mechanism_properties": {
-          "ENVIRONMENT": "k8s"
-        }
-      }
-    },
-    {
-      "description": "should throw an error for a username and password with k8s provider (MONGODB-OIDC)",
-      "uri": "mongodb://user:pass@localhost/?authMechanism=MONGODB-OIDC&authMechanismProperties=ENVIRONMENT:k8s",
-      "valid": false,
-      "credential": null
     }
   ]
 }