▶ Unexpected subtest result in /resource-timing/content-type-parsing.html:
  │ TIMEOUT [expected NOTRUN] b'content-type 18 : text/html;",\\\\",text/plain,";charset=GBK'
  └   → Test timed out

  ▶ Unexpected subtest result in /resource-timing/content-type-parsing.html:
  │ FAIL [expected TIMEOUT] b'content-type 5 : text/plain;charset=gbk,text/plain'
  │   → assert_equals: expected (string) "text/plain;charset=gbk" but got (undefined) undefined
  │ FAIL [expected NOTRUN] b'content-type 6 : text/plain;charset=gbk,text/plain;charset=windows-1252'
  │   → assert_equals: expected (string) "text/plain;charset=windows-1252" but got (undefined) undefined
  │ FAIL [expected NOTRUN] b'content-type 7 : text/html;charset=gbk,text/html;x=",text/plain'
  │   → assert_equals: expected (string) "text/html;x=\",text/plain\";charset=gbk" but got (undefined) undefined
  │ FAIL [expected NOTRUN] b'content-type 8 : text/plain;charset=gbk;x=foo,text/plain'
  │   → assert_equals: expected (string) "text/plain;charset=gbk" but got (undefined) undefined
  │ FAIL [expected NOTRUN] b'content-type 9 : text/html;charset=gbk,text/plain,text/html'
  │   → assert_equals: expected (string) "text/html" but got (undefined) undefined
  │ FAIL [expected NOTRUN] b'content-type 10 : text/plain,*/*'
  │   → assert_equals: expected (string) "text/plain" but got (undefined) undefined
  │ FAIL [expected NOTRUN] b'content-type 11 : text/html,*/*'
  │   → assert_equals: expected (string) "text/html" but got (undefined) undefined
  │ FAIL [expected NOTRUN] b'content-type 12 : */*,text/html'
  │   → assert_equals: expected (string) "text/html" but got (undefined) undefined
  │ FAIL [expected NOTRUN] b'content-type 13 : text/plain,*/*;charset=gbk'
  │   → assert_equals: expected (string) "text/plain" but got (undefined) undefined
  │ FAIL [expected NOTRUN] b'content-type 14 : text/html,*/*;charset=gbk'
  │   → assert_equals: expected (string) "text/html" but got (undefined) undefined
  │ FAIL [expected NOTRUN] b'content-type 15 : text/html;x=",text/plain'
  │   → assert_equals: expected (string) "text/html;x=\", text/plain\"" but got (undefined) undefined
  │ FAIL [expected NOTRUN] b'content-type 16 : text/html;",text/plain'
  │   → assert_equals: expected (string) "text/html" but got (undefined) undefined
  │ FAIL [expected NOTRUN] b'content-type 17 : text/html;",\\\\",text/plain'
  │   → assert_equals: expected (string) "text/html" but got (undefined) undefined
  │ 
  │ run_content_type_parsing_tests/</<@http://web-platform.test:8000/resource-timing/content-type-parsing.html:44:22
  │ async*Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2596:25
  │ promise_test/tests.promise_tests</<@http://web-platform.test:8000/resources/testharness.js:738:36
  └ promise_test/tests.promise_tests<@http://web-platform.test:8000/resources/testharness.js:737:20