just set option in workflows env

.github/workflows/headless-tests.yml

@@ -57,6 +57,8 @@ jobs:
       - name: Run Playwright tests
         env:
           PLAYWRIGHT_WORKERS: ${{ fromJSON('[1, 4]')[github.repository == 'github/docs-internal'] }}
+          NODE_OPTIONS: '--no-experimental-strip-types'
+
         # Run playwright rendering tests and a11y tests (axe scans) as distinct checks
         # so that we can run them without blocking merges until we can be confident
         # results for a11y tests are meaningul and scenarios we're testing are correct.

.github/workflows/local-dev.yml

@@ -50,6 +50,7 @@ jobs:
           # by default failures are marked as "flaky" instead of "failed".
           PLAYWRIGHT_RETRIES: 0
           TEST_EARLY_ACCESS: ${{ github.repository == 'github/docs-internal' }}
+          NODE_OPTIONS: '--no-experimental-strip-types'
         run: npm run playwright-test -- playwright-local-dev
 
       - name: Start server in the background