Merge from vscode 70dc55955d586ebd427658b43cdb344f2047f9c2 (#6789)

build/azure-pipelines/darwin/product-build-darwin.yml

@@ -107,6 +107,16 @@ steps:
   displayName: Run integration tests
   condition: and(succeeded(), eq(variables['VSCODE_STEP_ON_IT'], 'false'))
 
+- script: |
+    set -e
+    cd test/smoke
+    yarn compile
+    cd -
+    yarn smoketest --web --headless
+  continueOnError: true
+  displayName: Run web smoke tests
+  condition: and(succeeded(), eq(variables['VSCODE_STEP_ON_IT'], 'false'))
+
 - script: |
     set -e
     cd test/smoke