This is a testharness.js-based test.
[FAIL] Can set 'all' to CSS-wide keywords: initial
assert_not_equals: Computed value must not be null got disallowed value null
[FAIL] Can set 'all' to CSS-wide keywords: inherit
assert_not_equals: Computed value must not be null got disallowed value null
[FAIL] Can set 'all' to CSS-wide keywords: unset
assert_not_equals: Computed value must not be null got disallowed value null
[FAIL] Can set 'all' to CSS-wide keywords: revert
assert_not_equals: Computed value must not be null got disallowed value null
[FAIL] Can set 'all' to var() references: var(--A)
assert_not_equals: Computed value must not be null got disallowed value null
Harness: the test ran to completion.