….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 autosynth
nothing to commit, working tree clean
HEAD detached at FETCH_HEAD
nothing to commit, working tree clean
synthtool > Ensuring dependencies.
synthtool > Pulling artman image.
latest: Pulling from googleapis/artman
Digest: sha256:6aec9c34db0e4be221cdaf6faba27bdc07cfea846808b3d3b964dfce3a9a0f9b
Status: Image is up to date for googleapis/artman:latest
synthtool > 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.proto
synthtool > 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.sh
CODE_OF_CONDUCT.md
CONTRIBUTING.rst
LICENSE
MANIFEST.in
docs/_static/custom.css
docs/_templates/layout.html
docs/conf.py.j2
noxfile.py.j2
renovate.json
setup.cfg
Running session blacken
Creating virtual environment (virtualenv) using python3.6 in .nox/blacken
pip install black==19.3b0
black docs google tests noxfile.py setup.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/__init__.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/__init__.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/devtools/cloudbuild.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/devtools/cloudbuild_v1/__init__.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/devtools/cloudbuild_v1/gapic/enums.py
reformatted /tmpfs/src/git/autosynth/working_repo/docs/conf.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/devtools/cloudbuild_v1/gapic/cloud_build_client_config.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/devtools/cloudbuild_v1/gapic/transports/cloud_build_grpc_transport.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/devtools/cloudbuild_v1/types.py
reformatted /tmpfs/src/git/autosynth/working_repo/noxfile.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/devtools/cloudbuild_v1/proto/cloudbuild_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/devtools/cloudbuild_v1/gapic/cloud_build_client.py
reformatted /tmpfs/src/git/autosynth/working_repo/tests/unit/gapic/v1/test_cloud_build_client_v1.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/devtools/cloudbuild_v1/proto/cloudbuild_pb2.py
All done! ✨ 🍰 ✨
14 files reformatted, 5 files left unchanged.
Session blacken was successful.
synthtool > Wrote metadata to synth.metadata.

```
</details>

Release-As: 1.0.0