Vision: "before all" hook for "should detect from a filename" failed

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---

commit: ed5c7a0
buildURL: Build Status, Sponge
status: failed

Test output

invalid_grant: Invalid JWT Signature.
Error: invalid_grant: Invalid JWT Signature.
    at Gaxios._request (node_modules/gaxios/build/src/gaxios.js:130:23)
        -> /workspace/node_modules/gaxios/src/gaxios.ts:158:15
    at processTicksAndRejections (internal/process/task_queues.js:97:5)
    at async GoogleToken.requestToken (node_modules/gtoken/build/src/index.js:238:23)
    at async GoogleToken.getTokenAsync (node_modules/gtoken/build/src/index.js:145:20)
    at async JWT.refreshTokenNoCache (node_modules/google-auth-library/build/src/auth/jwtclient.js:172:23)
    at async JWT.getRequestMetadataAsync (node_modules/google-auth-library/build/src/auth/oauth2client.js:284:17)
    at async JWT.getRequestHeaders (node_modules/google-auth-library/build/src/auth/oauth2client.js:247:26)
    at async GoogleAuth.authorizeRequest (node_modules/google-auth-library/build/src/auth/googleauth.js:677:25)
    at async Promise.all (index 1)
    at async prepareRequest (node_modules/@google-cloud/storage/build/src/nodejs-common/util.js:447:61)