message: test: save material ts override as a devdep
  PR Close
diff: @@ -770,7 +770,7 @@ jobs:
  # TODO: remove this once the repo has been updated to use TypeScript 3.7.
  # While built Angular packages support both TS 3.6 and 3.7, @angular/bazel itself only
  # supports TS 3.7 because TSickle 0.38.0 only supports TS 3.7.
  - command: yarn --ignore-engines --cwd ${MATERIAL_REPO_TMP_DIR} add typescript@3.7.4
  + command: yarn --ignore-engines --cwd ${MATERIAL_REPO_TMP_DIR} add typescript@3.7.4 --dev
  - save_cache:
  key: *material_unit_tests_cache_key
  paths:
  