Enable test job to run when receiving PRs created by a Github Actions job (#267)

Author: seratch

.github/workflows/test.yml

@@ -4,10 +4,18 @@ on:
   push:
     branches: [main]
   pull_request:
+    types: [opened, reopened, synchronize]
+  # Adding this to trigger the required CI jobs for PRs created by GitHub Actions jobs
+  workflow_run:
+    workflows: ['Update Translated Docs', 'Changesets Release']  # these must be the exact names of workflows
+    types: [completed]
 
 jobs:
   test:
     runs-on: ubuntu-latest
+    if: >
+      github.event_name == 'pull_request' ||
+      (github.event_name == 'workflow_run' && github.event.workflow_run.conclusion == 'success')
     env:
       NODE_OPTIONS: "--max_old_space_size=4096"
     strategy: