This is a testharness.js-based test.
FAIL Can set 'font-language-override' to CSS-wide keywords Failed to execute 'set' on 'StylePropertyMap': Invalid propertyName: font-language-override
FAIL Can set 'font-language-override' to var() references Failed to execute 'set' on 'StylePropertyMap': Invalid propertyName: font-language-override
FAIL Can set 'font-language-override' to the 'normal' keyword Failed to execute 'set' on 'StylePropertyMap': Invalid propertyName: font-language-override
PASS Setting 'font-language-override' to a length throws TypeError
PASS Setting 'font-language-override' to a percent throws TypeError
PASS Setting 'font-language-override' to a time throws TypeError
PASS Setting 'font-language-override' to an angle throws TypeError
PASS Setting 'font-language-override' to a flexible length throws TypeError
PASS Setting 'font-language-override' to a number throws TypeError
PASS Setting 'font-language-override' to a position throws TypeError
PASS Setting 'font-language-override' to a URL throws TypeError
PASS Setting 'font-language-override' to a transform throws TypeError
FAIL 'font-language-override' does not supported '"SRB"' Failed to execute 'get' on 'StylePropertyMapReadOnly': Invalid propertyName: font-language-override
Harness: the test ran to completion.