A worker process has failed to exit gracefully and has been force exited. This is likely caused by tests leaking due to improper teardown. Try running with --detectOpenHandles to find leaks. Active timers can also cause this, ensure that .unref() was called on them.
Summary of all failing tests
 FAIL  packages/remix-dev/__tests__/cli-test.ts (23.704 s)
  ● remix CLI › create prompts › allows you to go through the prompts

    thrown: Object {
      "status": "timeout",
      "stderr": "- Creating your app…
    ",
? Where would you like to create your app? /tmp/remix-tests-757s57373s/my-app
? What type of app do you want to create? Just the basics
? Where do you want to deploy? Choose Remix if you're unsure; it's easy to chang
? Do you want me to run `npm install`? No
    ",
    }

      160 |
      161 |   describe("create prompts", () => {
    > 162 |     it("allows you to go through the prompts", async () => {
          |     ^
      163 |       let projectDir = path.join(TEMP_DIR, "my-app");
      164 |
      165 |       let proc = childProcess.spawn(

      at __tests__/cli-test.ts:162:5
      at __tests__/cli-test.ts:161:3
      at Object.<anonymous> (__tests__/cli-test.ts:60:1)

  ● remix CLI › create prompts › allows you to go through the prompts and convert to JS

    thrown: Object {
      "status": "timeout",
      "stderr": "- Creating your app…
    ",
? Where would you like to create your app? /tmp/remix-tests-757s57373s/my-js-app
    
? What type of app do you want to create? Just the basics
? Where do you want to deploy? Choose Remix if you're unsure; it's easy to chang
? Do you want me to run `npm install`? No
    ",
    }

      185 |     });
      186 |
    > 187 |     it("allows you to go through the prompts and convert to JS", async () => {
          |     ^
      188 |       let projectDir = path.join(TEMP_DIR, "my-js-app");
      189 |
      190 |       let proc = childProcess.spawn(

      at __tests__/cli-test.ts:187:5
      at __tests__/cli-test.ts:161:3
      at Object.<anonymous> (__tests__/cli-test.ts:60:1)


Test Suites: 1 failed, 1 skipped, 19 passed, 20 of 21 total
Tests:       2 failed, 4 skipped, 300 passed, 306 total
Snapshots:   65 passed, 65 total
Time:        25.097 s, estimated 31 s
Ran all test suites in 8 projects.