Bug 1994760 [wpt PR 55479] - [wdspec] tentative tests for disabled scripting emulation, a=testonly

Automatic update from web-platform-tests
[wdspec] tentative tests for disabled scripting emulation (#55479)

Checks the behavior of disabled scripting for the corner cases mentioned in whatwg/html#11441 (review)
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wpt-commits: 80cc31004c3109482251ce68ca8a31845dad78ec
wpt-pr: 55479

UltraBlame original commit: 387b26784c3943e7d4bbc5efcd31cf58a6c43db8

Author: marco-c