Enable test-race

[egonspace]

Summary of Bug

Currently, test-race github action is disabled.

  # TODO: disable test-race. please enable this after fixing concurrent checkTx
  # test-cosmovisor:
  #   runs-on: ubuntu-latest
  #   steps:
  #     - uses: actions/checkout@v2
  #     - uses: actions/setup-go@v2.1.3
  #       with:
  #         go-version: 1.15
  #     - name: Display go version
  #       run: go version
  #     - uses: technote-space/get-diff-action@v4
  #       id: git_diff
  #       with:
  #         PREFIX_FILTER: |
  #           cosmovisor
  #         PATTERNS: |
  #           **/**.go
  #           go.mod
  #           go.sum
  #     - name: Run cosmovisor tests
  #       run: cd cosmovisor; make
  #       if: env.GIT_DIFF

Enable this.

Version

Steps to Reproduce

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