Tests broken with `TypeError: require.context is not a function`

[joshspicer]

Tests do not run but CI still succeeds with Error loading tests: TypeError: require.context is not a function

see https://dev.azure.com/vscode/vscode-pull-request-github/_build/results?buildId=161693&view=logs&j=bf770c6b-39e5-569e-4808-1859a08d14ab&t=dbcdb93c-9c4d-5e3b-231d-19272cc2845d&l=45

[joshspicer]

Changed by copilot in https://github.com/microsoft/vscode-pull-request-github/pull/7856/files#diff-b8d8e4e883e3a7f61a23e9ccb6f5affcdaf91a93a253a54a183f801735c96334 ?