https://github.com/fluffy-bunny/typescript-action-needs/blob/master/.github/workflows/test.yml

name: "build-test"
on: # rebuild any PRs and main branch changes
  pull_request:
  push:
    branches:
      - master
      - 'releases/*'
jobs:

build: # make sure build/ci work properly

runs-on: ubuntu-latest

steps:

- uses: actions/checkout@v1

- run: |

npm install

npm run all
- name: upload-artifact
  uses: actions/upload-artifact@v1
  with:
    name: my-artifact
    path: dist

test: # make sure the action works on a clean machine without building

needs: build

runs-on: ubuntu-latest

steps:

- uses: actions/checkout@v1
- name: download-artifact from build
  uses: actions/download-artifact@v1
  with:
    name: my-artifact
    path: dist

- uses: ./
  with:
    milliseconds: 1000

upload->download artifact works for my use case.

Thank you