Bug 1613520 [wpt PR 21612] - Remove use of assert_throws in idlharness.js, a=testonly
Automatic update from web-platform-tests
Remove use of assert_throws in idlharness.js (#21612)
wpt-commits: da95d84225f8435c65d23b6310ccd8bc3dfd3dd7
wpt-pr: 21612