[aws-lambda-nodejs] failing frequently on PR builds

@nija-at Not sure if you’re sure of the cause, but the test for @aws-cdk/aws-lambda-nodejs frequently fails. Seen it couple times now, even though the code is unrelated. Always seems to resolve itself after merging master branch in again

_Originally posted by @iRoachie in https://github.com/aws/aws-cdk/pull/11092#issuecomment-718857366_

[nija-at]

Pasting the log snip directly here since logs are retained for only 30 days.

@aws-cdk/aws-lambda-nodejs: yarn run v1.22.5
@aws-cdk/aws-lambda-nodejs: $ npm run build && npm test
@aws-cdk/aws-lambda-nodejs: > @aws-cdk/aws-lambda-nodejs@0.0.0 build /codebuild/output/src818950319/src/github.com/aws/aws-cdk/packages/@aws-cdk/aws-lambda-nodejs
@aws-cdk/aws-lambda-nodejs: > cdk-build
@aws-cdk/aws-lambda-nodejs: Build times for @aws-cdk/aws-lambda-nodejs: Total time (17.7s) | /codebuild/output/src818950319/src/github.com/aws/aws-cdk/node_modules/jsii/bin/jsii (10.3s)
@aws-cdk/aws-lambda-nodejs: > @aws-cdk/aws-lambda-nodejs@0.0.0 test /codebuild/output/src818950319/src/github.com/aws/aws-cdk/packages/@aws-cdk/aws-lambda-nodejs
@aws-cdk/aws-lambda-nodejs: > cdk-test
@aws-cdk/aws-lambda-nodejs: PASS test/util.test.js
@aws-cdk/aws-lambda-nodejs: FAIL test/bundling.test.js
@aws-cdk/aws-lambda-nodejs:   ● Test suite failed to run
@aws-cdk/aws-lambda-nodejs:     SyntaxError: /codebuild/output/src818950319/src/github.com/aws/aws-cdk/packages/@aws-cdk/aws-lambda-nodejs/package.json: Error while parsing JSON - Unexpected end of JSON input
@aws-cdk/aws-lambda-nodejs:         at JSON.parse (<anonymous>)
@aws-cdk/aws-lambda-nodejs:       at readConfigPackage (../../../node_modules/@babel/core/lib/config/files/package.js:57:20)
@aws-cdk/aws-lambda-nodejs:       at ../../../node_modules/@babel/core/lib/config/files/utils.js:36:12
@aws-cdk/aws-lambda-nodejs:       at Function.<anonymous> (../../../node_modules/@babel/core/lib/gensync-utils/async.js:26:3)
@aws-cdk/aws-lambda-nodejs:       at evaluateSync (../../../node_modules/gensync/index.js:244:28)
@aws-cdk/aws-lambda-nodejs:       at Function.sync (../../../node_modules/gensync/index.js:84:14)
@aws-cdk/aws-lambda-nodejs:       at sync (../../../node_modules/@babel/core/lib/gensync-utils/async.js:66:25)
@aws-cdk/aws-lambda-nodejs:       at sync (../../../node_modules/gensync/index.js:177:19)
@aws-cdk/aws-lambda-nodejs: PASS test/function.test.js (8.395 s)
@aws-cdk/aws-lambda-nodejs: PASS test/docker.test.js (72.631 s)
@aws-cdk/aws-lambda-nodejs: =============================== Coverage summary ===============================
@aws-cdk/aws-lambda-nodejs: Statements   : 80% ( 76/95 )
@aws-cdk/aws-lambda-nodejs: Branches     : 53.75% ( 43/80 )
@aws-cdk/aws-lambda-nodejs: Functions    : 75% ( 9/12 )
@aws-cdk/aws-lambda-nodejs: Lines        : 79.79% ( 75/94 )
@aws-cdk/aws-lambda-nodejs: ================================================================================
@aws-cdk/aws-lambda-nodejs: Jest: "global" coverage threshold for branches (60%) not met: 53.75%
@aws-cdk/aws-lambda-nodejs: Test Suites: 1 failed, 3 passed, 4 total
@aws-cdk/aws-lambda-nodejs: Tests:       16 passed, 16 total
@aws-cdk/aws-lambda-nodejs: Snapshots:   0 total
@aws-cdk/aws-lambda-nodejs: Time:        73.338 s
@aws-cdk/aws-lambda-nodejs: Ran all test suites.
@aws-cdk/aws-lambda-nodejs: Error: /codebuild/output/src818950319/src/github.com/aws/aws-cdk/node_modules/jest/bin/jest.js exited with error code 1
@aws-cdk/aws-lambda-nodejs: Tests failed. Total time (1m14.3s) | /codebuild/output/src818950319/src/github.com/aws/aws-cdk/node_modules/jest/bin/jest.js (1m14.3s)
@aws-cdk/aws-lambda-nodejs: !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
@aws-cdk/aws-lambda-nodejs: npm ERR! Test failed.  See above for more details.
@aws-cdk/aws-lambda-nodejs: error Command failed with exit code 1.
@aws-cdk/aws-lambda-nodejs: info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

[iRoachie]

@jogold Here’s a recent build