The test verifies functionality of protocol method CSS.setStyleTexts for editing @position-try rules.
==== Initial style sheet text ====
#anchor {
    anchor-name: --fallback;
}

#anchored {
    position: absolute;
    position-try-fallbacks: --fallback;
}

@position-try --fallback {
    bottom: anchor(--anchor bottom);
    right: anchor(--anchor right);
}


Running test: testBasicSetStyle
==== Style sheet text ====
#anchor {
    anchor-name: --fallback;
}

#anchored {
    position: absolute;
    position-try-fallbacks: --fallback;
}

@position-try --fallback {
    bottom: EDITED;
    right: EDITED
}