….8 tests (via synth) (#10092)

…atting (via synth) (#10255)

* chore: add split repo templates* chore: blacken noxfile

This PR was generated using Autosynth. 🌈Commits in this repo since last synth:<details><summary>Log from Synthtool</summary>```synthtool > Executing /tmpfs/src/git/autosynth/working_repo/synth.py.On branch autosynthnothing to commit, working tree cleanHEAD detached at FETCH_HEADnothing to commit, working tree cleansynthtool > Ensuring dependencies.synthtool > Pulling artman image.latest: Pulling from googleapis/artmanDigest: sha256:6aec9c34db0e4be221cdaf6faba27bdc07cfea846808b3d3b964dfce3a9a0f9bStatus: Image is up to date for googleapis/artman:latestsynthtool > Cloning googleapis.synthtool > Running generator for google/devtools/cloudbuild/artman_cloudbuild.yaml.synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/cloudbuild-v1.synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/devtools/cloudbuild/v1/cloudbuild.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/cloudbuild-v1/google/cloud/cloudbuild_v1/proto/cloudbuild.protosynthtool > Placed proto files into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/cloudbuild-v1/google/cloud/cloudbuild_v1/proto.synthtool > Replaced 'from google.devtools.cloudbuild_v1.proto import ' in google/cloud/devtools/cloudbuild_v1/proto/cloudbuild_pb2_grpc.py.synthtool > Replaced 'google-cloud-cloudbuild' in docs/conf.py.synthtool > Replaced 'google-cloud-cloudbuild' in google/cloud/devtools/cloudbuild_v1/gapic/cloud_build_client.py..coveragerc.flake8.github/CONTRIBUTING.md.github/ISSUE_TEMPLATE/bug_report.md.github/ISSUE_TEMPLATE/feature_request.md.github/ISSUE_TEMPLATE/support_request.md.github/PULL_REQUEST_TEMPLATE.md.github/release-please.yml.gitignore.kokoro/build.sh.kokoro/continuous/common.cfg.kokoro/continuous/continuous.cfg.kokoro/docs/common.cfg.kokoro/docs/docs.cfg.kokoro/presubmit/common.cfg.kokoro/presubmit/presubmit.cfg.kokoro/publish-docs.sh.kokoro/release.sh.kokoro/release/common.cfg.kokoro/release/release.cfg.kokoro/trampoline.shCODE_OF_CONDUCT.mdCONTRIBUTING.rstLICENSEMANIFEST.indocs/_static/custom.cssdocs/_templates/layout.htmldocs/conf.py.j2noxfile.py.j2renovate.jsonsetup.cfgRunning session blackenCreating virtual environment (virtualenv) using python3.6 in .nox/blackenpip install black==19.3b0black docs google tests noxfile.py setup.pyreformatted /tmpfs/src/git/autosynth/working_repo/google/__init__.pyreformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/__init__.pyreformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/devtools/cloudbuild.pyreformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/devtools/cloudbuild_v1/__init__.pyreformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/devtools/cloudbuild_v1/gapic/enums.pyreformatted /tmpfs/src/git/autosynth/working_repo/docs/conf.pyreformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/devtools/cloudbuild_v1/gapic/cloud_build_client_config.pyreformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/devtools/cloudbuild_v1/gapic/transports/cloud_build_grpc_transport.pyreformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/devtools/cloudbuild_v1/types.pyreformatted /tmpfs/src/git/autosynth/working_repo/noxfile.pyreformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/devtools/cloudbuild_v1/proto/cloudbuild_pb2_grpc.pyreformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/devtools/cloudbuild_v1/gapic/cloud_build_client.pyreformatted /tmpfs/src/git/autosynth/working_repo/tests/unit/gapic/v1/test_cloud_build_client_v1.pyreformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/devtools/cloudbuild_v1/proto/cloudbuild_pb2.pyAll done! ✨ 🍰 ✨14 files reformatted, 5 files left unchanged.Session blacken was successful.synthtool > Wrote metadata to synth.metadata.```</details>

Release-As: 1.0.0