This is a testharness.js-based test.
[FAIL] e.style['max-width'] = "fit-content(10%)" should set the property value
  assert_not_equals: property should be set got disallowed value ""
[FAIL] e.style['max-width'] = "fit-content(0.5em)" should set the property value
  assert_not_equals: property should be set got disallowed value ""
[FAIL] e.style['max-width'] = "fit-content(calc(10% - 0.5em))" should set the property value
  assert_not_equals: property should be set got disallowed value ""
Harness: the test ran to completion.