[capture-with-offscreen-child.html]
expected:
if (os == "linux") and not debug and not asan and not tsan: [PASS, FAIL]
if (os == "win") and not swgl: [PASS, FAIL]
if (os == "mac") and not debug: [PASS, FAIL]
if (os == "android") and not debug: [PASS, TIMEOUT]