add +nobuild flags to all relevant test cases (bp #8934)

[mergify]

This is an automatic backport of pull request #8934 done by Mergify.

Cherry-pick of 7b09f95 has failed:

On branch mergify/bp/release/v0.42.x/pr-8934
Your branch is up to date with 'origin/release/v0.42.x'.

You are currently cherry-picking commit 7b09f95ab.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   x/auth/client/cli/cli_test.go
	modified:   x/auth/client/rest/rest_test.go

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	deleted by us:   x/authz/client/cli/tx_test.go
	deleted by us:   x/authz/client/rest/grpc_query_test.go

To fixup this pull request, you can check out it locally. See documentation: https://help.github.com/articles/checking-out-pull-requests-locally/

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[orijbot]

Benchmark beginning. Status page: https://github.orijtech.com/benchmark/status?commit=75d649abe87e91155d290baa5048cb2f2b66a9f3

[orijbot]

Benchmark beginning. Status page: https://github.orijtech.com/benchmark/status?commit=c57f4cbc88314ff08bbe8d3d7a297b8d807fdc6f