message: Try running setup script with bash.
diff: "test": "npm run test:unit",
  "test:unit": "npm run lint && npm run test:setup && npm run build && mocha",
  "test:watch": "tsc-then -- mocha --color",
  - "test:setup": "scripts/setup-fixtures.sh",
  + "test:setup": "bash scripts/setup-fixtures.sh",
  "test:make-goldens": "npm run build && scripts/make-goldens.js"
  }
  }
  