jest/e2e/select-projects-missing-name/package.json

{
  "description": "Testing the behaviour of --selectProjects when a project does not have a name",
  "jest": {
    "projects": [
      {
        "displayName": "first-project",
        "testMatch": [
          "<rootDir>/__tests__/first-project.test.js"
        ],
        "testEnvironment": "node"
      },
      {
        "testMatch": [
          "<rootDir>/__tests__/second-project.test.js"
        ],
        "testEnvironment": "node"
      }
    ]
  }
}