21a484d [web] Add few awaits in history tests (flutter/engine#24934)

engine-flutter-autoroll · engine-flutter-autoroll · commit b9a61b20149e · 2021-03-12T19:13:00.000Z
diff --git a/bin/internal/engine.version b/bin/internal/engine.version
@@ -1 +1 @@
-850c7fe46fd96bd29628d85e055d545d2f7adb9b
+21a484d9e50ce6df8812c4e186170c22d2679464
