[WIP][DELETE ME] Example Test for #486

[Olshansk]

If you run

go test -v -count=1 ./temp/...

It outputs

{"messages":[{"@type":"/cosmos.auth.v1beta1.MsgUpdateParams","authority":"cosmos1...","params":{"max_memo_characters":"100","tx_sig_limit":"0","tx_size_cost_per_byte":"0","sig_verify_cost_ed25519":"0","sig_verify_cost_secp256k1":"0"}}],"memo":"","timeout_height":"0","extension_options":[],"non_critical_extension_options":[]}

[gitguardian]

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[bryanchriswhite]

Thanks @Olshansk! I did not realize that tx.TxBody was a proto.Message. Good lookin' out! 👊😎

I've incorporated the learning from this into #486. Closing.