Bazel schematics: Karma test broken on Mac OS

[kyliau]

Karma test is currently broken due to the latest Chrome browser in rules_webtesting.
While waiting for upstream changes, users can pin the browser versions as done here:
#28698
bazelbuild/rules_typescript#418

[weibon]

My bazel karma project @build_bazel_rules_karma has no package.bzl file

[angular-automatic-lock-bot]

This issue has been automatically locked due to inactivity.
Please file a new issue if you are encountering a similar or related problem.

Read more about our automatic conversation locking policy.

_{This action has been performed automatically by a bot.}