refactor: move vscode tests to e2e (#5911)

* wip: migrate vscode tests to e2e

* feat: add codeWorkspace to global setup

* refactor: only use dir in spawn when we should

* wip: migrate more tests

* refactor: move all vscode tests to e2e

* refactor(ci): move unit to own job

* fixup: add codecov to unit test step

* Update test/e2e/models/CodeServer.ts

* Update test/e2e/models/CodeServer.ts

* docs: add note about intercept requests

* refactor: rm unused clean() calls

* refactor: delete duplicate test

* refactor: update 'should not redirect' test

ci/dev/test-unit.sh

@@ -11,22 +11,6 @@ main() {
   make -s out/index.js
   popd
 
-  # Our code imports from `out` in order to work during development but if you
-  # have only built for production you will have not have this directory.  In
-  # that case symlink `out` to a production build directory.
-  if [[ ! -e lib/vscode/out ]]; then
-    pushd lib
-    local out=(vscode-reh-web-*)
-    if [[ -d "${out[0]}" ]]; then
-      ln -s "../${out[0]}/out" ./vscode/out
-    else
-      echo "Could not find lib/vscode/out or lib/vscode-reh-web-*"
-      echo "Code must be built before running unit tests"
-      exit 1
-    fi
-    popd
-  fi
-
   # We must keep jest in a sub-directory. See ../../test/package.json for more
   # information. We must also run it from the root otherwise coverage will not
   # include our source files.