attempt to fix e2e issue

.buildkite/pipeline.yml

@@ -52,8 +52,9 @@ steps:
   # See https://buildkite.com/docs/pipelines/build-matrix#removing-combinations-from-the-build-matrix
   - label: E2E Tests on {{matrix}}
     key: e2e_tests
-    skip: Disabled for debugging
     command: |
+      # Ensure DEV_BUILD is available to npm commands
+      export DEV_BUILD=true
       # call with bash explicitly because we run this on Windows, too
       bash .buildkite/commands/install-node-dependencies.sh
       echo '--- :package: Package app for testing'