test: docs-presubmit build is failing #443
Description
Previously, this was failing due to docsfx build (which was passing locally, but not on Kokoro). Now the build is failing with missing Python image. Perhaps the noxfile needs an update?
================================================================
2020-12-21T15:50:53Z: Running the tests in a Docker container.
================================================================
KOKORO_KEYSTORE_DIR=/secrets/keystore
KOKORO_GITHUB_PULL_REQUEST_NUMBER=442
KOKORO_GITHUB_PULL_REQUEST_URL=https://github.com/googleapis/python-bigquery/pull/442
KOKORO_JOB_NAME=cloud-devrel/client-libraries/python/googleapis/python-bigquery/docs/docs-presubmit
KOKORO_GIT_COMMIT=43636f15da838f25016dd0bbe58ad9e0e167bad1
KOKORO_GITHUB_PULL_REQUEST_COMMIT=43636f15da838f25016dd0bbe58ad9e0e167bad1
KOKORO_BUILD_NUMBER=583
KOKORO_BUILD_ID=45fb6be2-c632-4ad2-b2d0-88c20f36c3c2
KOKORO_GFILE_DIR=/secrets/gfile
cat: /secrets/gfile/project-id.json: No such file or directory
.kokoro/build.sh: line 37: python3.6: command not found
================================================================
2020-12-21T15:50:57Z: Build finished with 127
================================================================
[ID: 5913461] Build finished after 24 secs, exit value: 127
Warning: Permanently added 'localhost' (ECDSA) to the list of known hosts.
[07:50:59] Collecting build artifacts from build VM