test(rtc): add rtc-e2e-test/download_upload_test

shadow-cljs.edn

@@ -3,7 +3,8 @@
  :nrepl {:port 8701}
 
  ;; "." for /static
- :dev-http {3001 ["static" "."]}
+ :dev-http {3001 ["static" "."]
+            8021 "static/rtc-e2e-test"}
 
  :js-options {:js-package-dirs ["node_modules" "packages/tldraw/apps"]}
 
@@ -88,6 +89,12 @@
          :compiler-options {:static-fns false}
          :main frontend.test.frontend-node-test-runner/main}
 
+  :rtc-e2e-test {:target :browser-test
+                 :test-dir "static/rtc-e2e-test"
+                 :closure-defines {frontend.worker.rtc.const/RTC-E2E-TEST true}
+                 :devtools {:enabled false}
+                 :compiler-options {:static-fns false}}
+
   :gen-malli-kondo-config {:target :node-script
                            :closure-defines {frontend.util/NODETEST true}
                            :devtools {:enabled false}