Test that CSS env vars work with @support

Summary

Harness status: OK

Found 1 tests

1 Pass

Result

Test Name

Message

Pass

Test that CSS env vars work with @support

Asserts run

Pass	assert_equals("rgb(0, 128, 0)", "rgb(0, 128, 0)") at Test.<anonymous> ( /css/css-env/at-supports.tentative.html:18:7)