ci(runtime): isolate stacked engine benchmarks

Author: DjDeveloperr

.github/workflows/ci.yml

@@ -157,6 +157,18 @@ jobs:
 
       - name: Build base CLI
         run: |
+          # Candidate and base can pin different engine releases and CMake
+          # layouts. Their ignored build/framework outputs must not bleed into
+          # one another when both revisions are built in this checkout.
+          rm -rf ./dist/intermediates/macos ./dist/NativeScript.xcframework
+          case "${ENGINE}" in
+            v8)
+              rm -rf ./Frameworks/libv8_monolith.xcframework
+              ;;
+            hermes)
+              rm -rf ./Frameworks/hermes.xcframework ./Frameworks/hermes-headers
+              ;;
+          esac
           git checkout --detach "${BASE_SHA}"
           git submodule update --init --recursive
           npm install

platforms/apple/test/runtime/runner/app/tests/Timers.js

@@ -212,7 +212,7 @@ describe("native timer", () => {
           pending("Timer cleanup introspection is unavailable in this JSC runtime configuration.");
           done();
         } else {
-          expectWeakRefCleared(weakRef, done, isIOS && isJSC ? 10000 : 1500);
+          expectWeakRefCleared(weakRef, done, isJSC ? 10000 : 1500);
         }
       });
     }, 200);

scripts/download_hermes.sh

@@ -19,7 +19,7 @@ HERMES_ANDROID_ASSET="hermes-android.tar.gz"
 HERMES_RELEASE_URL="https://github.com/ammarahm-ed/build-hermes/releases/download/$HERMES_VERSION"
 
 REPO_ROOT="$(cd "$(dirname "$0")/.." && pwd -P)"
-DL_DIR="${HERMES_DOWNLOAD_DIR:-/tmp/hermes-dl}"
+DL_DIR="${HERMES_DOWNLOAD_DIR:-/tmp/hermes-dl/$HERMES_VERSION}"
 
 # Shared headers, used by both platforms.
 HERMES_HEADERS_DIR="$REPO_ROOT/vendor/hermes/include"