Fix failing subnet test on stable/2023.1 branch

We haven't added tests for share network subnet
metadata yet, howver, if you set the max_microversion
to the version supported by the server in stable/2023.1 (2.78),
one of the tests fails since the API responds with
the new "metadata" key.

Change-Id: I9d2bba8d87643abfc626346427e90569d9ed7a3e
Partially-implements: bp/metadata-for-share-resources
Signed-off-by: Goutham Pacha Ravi <gouthampravi@gmail.com>
1 file changed