[nwjs/nw.js] 2f43f2: test: add memory leak test for mixed-context reloads (#7746)

[commits...@nwjs.io]

Branch: refs/heads/main
Home: https://api.github.com/repos/nwjs/nw.js
Commit: 2f43f2128b64229c99ae81d452c2f19126cf1416
https://github.com/nwjs/nw.js/commit/2f43f2128b64229c99ae81d452c2f19126cf1416
Author: Kevin Fan <k...@gnor.net>
Date: 2026-04-25 13:11:45 -0600 -0600

Changed paths:
A test/sanity/issue7746-mixed-context-memleak/index.html
A test/sanity/issue7746-mixed-context-memleak/package.json
A test/sanity/issue7746-mixed-context-memleak/test.py

Log Message:
-----------
test: add memory leak test for mixed-context reloads (#7746)