Test release assets before deploy (#2257)

.github/workflows/build_macos.yaml

@@ -145,3 +145,17 @@ jobs:
               run: |
                   test -f ./dist/Element*.dmg
                   test -f ./dist/Element*-mac.zip
+
+    test:
+        needs: build
+        uses: ./.github/workflows/build_test.yaml
+        with:
+            artifact: macos
+            runs-on: macos-14
+            executable: /Users/runner/Applications/Element.app/Contents/MacOS/Element
+            # We need to mount the DMG and copy the app to the Applications folder as a mounted DMG is
+            # read-only and thus would not allow us to override the fuses as is required for Playwright.
+            prepare_cmd: |
+                hdiutil attach ./dist/*.dmg -mountpoint /Volumes/Element &&
+                rsync -a /Volumes/Element/Element.app ~/Applications/ &&
+                hdiutil detach /Volumes/Element