There are many places in the code that do `import Event, { ...} from '.../event'`.

- Create a simple workspace context service for standalone editor
- Use the test context service for tests

This reverts commit 25b4b172.

Remove OutputService reference from SearchService, this should be handled elsewhere

- fix its flakiness
- add test-int-mocha so .integrationTest.js files can be run separately from code.sh integration tests.
- make all.js support globs with --run
- Fix #22512

fixes #11678