[SYCL] fix for flaky ~event failure in Win unit tests#19762

Merged

againull merged 2 commits intointel:syclfrom

cperkinsintel:cperkins-fix-win-unittest-race

Aug 20, 2025

Commits on Aug 11, 2025

fix for flaky ~event failure in Win unit tests
cperkinsintel
committed

Commits on Aug 20, 2025

as discussed, moving clearing of platform cache to beginning of mock. Also fix the otherwise tautological DeviceRefCounter test.
cperkinsintel
committed