This test checks if the side effects for loading Angular packages have changed using https://github.com/filipesilva/check-side-effects.
yarn test will check all ES modules listed in
yarn update will update any changed side
To add a new ES module to this test, add a new entry in
Usually the ESM and FESM should have the same output, but retained objects that were renamed during the flattening step will leave behind a different name.