▶ Unexpected subtest result in /css/css-flexbox/text-as-flexitem-size-001.html:
  │ FAIL [expected PASS] b'.flexbox > div 1'
  │   → assert_equals: 
  │   → <div data-expected-width="70" data-expected-height="35">
  │   →         <p>xx xxx</p>
  │   →         <p>xx</p>
  │   →       </div>
  │   → width expected 70 but got 46
  │ FAIL [expected PASS] b'.flexbox > div 2'
  │   → assert_equals: 
  │   → <div data-expected-width="50" data-expected-height="45">
  │   →         <p>xx xxx</p>
  │   →         <p>xx</p>
  │   →       </div>
  │   → width expected 50 but got 46
  │ FAIL [expected PASS] b'.flexbox > div 5'
  │   → assert_equals: 
  │   → <div style="height: 30px" data-expected-width="70" data-expected-height="30">
  │   →         <p>xx xxx</p>
  │   →         <p>xx</p>
  │   →       </div>
  │   → width expected 70 but got 46
  │ FAIL [expected PASS] b'.flexbox > div 8'
  │   → assert_equals: 
  │   → <div style="min-height: 40px" data-expected-width="70" data-expected-height="40">
  │   →         <p>xx xxx</p>
  │   →         <p>xx</p>
  │   →       </div>
  │   → width expected 70 but got 46
  │ FAIL [expected PASS] b'.flexbox > div 11'
  │   → assert_equals: 
  │   → <div style="max-height: 20px" data-expected-width="70" data-expected-height="20">
  │   →         <p>xx xxx</p>
  │   →         <p>xx</p>
  │   →       </div>
  │   → width expected 70 but got 46
  │ 
  │ assert_tolerance@http://web-platform.test:8000/resources/check-layout-th.js:24:22
  │ checkExpectedValues@http://web-platform.test:8000/resources/check-layout-th.js:68:25
  │ checkSubtreeExpectedValues@http://web-platform.test:8000/resources/check-layout-th.js:7:44
  │ window.checkLayout/</<@http://web-platform.test:8000/resources/check-layout-th.js:224:34
  │ Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2534:25
  │ test@http://web-platform.test:8000/resources/testharness.js:572:30
  │ window.checkLayout/<@http://web-platform.test:8000/resources/check-layout-th.js:217:13
  │ window.checkLayout@http://web-platform.test:8000/resources/check-layout-th.js:216:29
  └ onload@http://web-platform.test:8000/css/css-flexbox/text-as-flexitem-size-001.html:2:12