message: unnecessary package.json dep
diff: "@cardstack/di": "0.13.71",
  "@cardstack/logger": "^0.1.0",
  "@cardstack/plugin-utils": "0.13.71",
  - "@cardstack/test-support": "0.13.71",
  "ember-cli-babel": "^6.8.2",
  "ember-cli-htmlbars": "^2.0.1",
  "ember-concurrency": "^0.8.27",
  "@cardstack/eslint-config": "0.13.71",
  "@cardstack/jsonapi": "0.13.71",
  "@cardstack/models": "0.13.71",
  + "@cardstack/test-support": "0.13.71",
  "broccoli-asset-rev": "^2.4.5",
  "ember-cli": "^3.0.0",
  "ember-cli-dependency-checker": "^2.1.0",
  