Lots of failures, all in one test file. This is another one where it seems like we're checking for webkit-prefixed things and that isn't working for whatever reason. I don't even see files for these tests in meta/, so do these all just work out of the box on desktop Firefox? Unexpected Results ------------------ /entries-api/interfaces.html FAIL File interface: attribute webkitRelativePath - assert_true: The prototype object must have a property "webkitRelativePath" expected true got false IdlInterface.prototype.test_member_attribute/<@http://web-platform.test:8000/resources/idlharness.js:2073:13 Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:1561:20 IdlInterface.prototype.test_member_attribute@http://web-platform.test:8000/resources/idlharness.js:2019:5 IdlInterface.prototype.test_members@http://web-platform.test:8000/resources/idlharness.js:2441:17 IdlInterface.prototype.test@http://web-platform.test:8000/resources/idlharness.js:1414:5 IdlArray.prototype.test@http://web-platform.test:8000/resources/idlharness.js:814:28 @http://web-platform.test:8000/entries-api/interfaces.html:35:7 FAIL File interface: new File([], "example.txt") must inherit property "webkitRelativePath" with the proper type - assert_inherits: property "webkitRelativePath" not found in prototype chain IdlInterface.prototype.test_interface_of/<@http://web-platform.test:8000/resources/idlharness.js:2631:25 Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:1561:20 test@http://web-platform.test:8000/resources/testharness.js:544:21 self.subsetTestByKey@http://web-platform.test:8000/resources/idlharness.js:54:14 IdlInterface.prototype.test_interface_of@http://web-platform.test:8000/resources/idlharness.js:2625:13 IdlInterface.prototype.test_object@http://web-platform.test:8000/resources/idlharness.js:2503:9 IdlArray.prototype.test/<@http://web-platform.test:8000/resources/idlharness.js:826:36 IdlArray.prototype.test@http://web-platform.test:8000/resources/idlharness.js:821:13 @http://web-platform.test:8000/entries-api/interfaces.html:35:7 FAIL HTMLInputElement interface: attribute webkitdirectory - assert_true: The prototype object must have a property "webkitdirectory" expected true got false IdlInterface.prototype.test_member_attribute/<@http://web-platform.test:8000/resources/idlharness.js:2073:13 Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:1561:20 IdlInterface.prototype.test_member_attribute@http://web-platform.test:8000/resources/idlharness.js:2019:5 IdlInterface.prototype.test_members@http://web-platform.test:8000/resources/idlharness.js:2441:17 IdlInterface.prototype.test@http://web-platform.test:8000/resources/idlharness.js:1414:5 IdlArray.prototype.test@http://web-platform.test:8000/resources/idlharness.js:814:28 @http://web-platform.test:8000/entries-api/interfaces.html:35:7 FAIL HTMLInputElement interface: attribute webkitEntries - assert_true: The prototype object must have a property "webkitEntries" expected true got false IdlInterface.prototype.test_member_attribute/<@http://web-platform.test:8000/resources/idlharness.js:2073:13 Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:1561:20 IdlInterface.prototype.test_member_attribute@http://web-platform.test:8000/resources/idlharness.js:2019:5 IdlInterface.prototype.test_members@http://web-platform.test:8000/resources/idlharness.js:2441:17 IdlInterface.prototype.test@http://web-platform.test:8000/resources/idlharness.js:1414:5 IdlArray.prototype.test@http://web-platform.test:8000/resources/idlharness.js:814:28 @http://web-platform.test:8000/entries-api/interfaces.html:35:7 FAIL HTMLInputElement interface: document.createElement("input") must inherit property "webkitdirectory" with the proper type - assert_inherits: property "webkitdirectory" not found in prototype chain IdlInterface.prototype.test_interface_of/<@http://web-platform.test:8000/resources/idlharness.js:2631:25 Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:1561:20 test@http://web-platform.test:8000/resources/testharness.js:544:21 self.subsetTestByKey@http://web-platform.test:8000/resources/idlharness.js:54:14 IdlInterface.prototype.test_interface_of@http://web-platform.test:8000/resources/idlharness.js:2625:13 IdlInterface.prototype.test_object@http://web-platform.test:8000/resources/idlharness.js:2503:9 IdlArray.prototype.test/<@http://web-platform.test:8000/resources/idlharness.js:826:36 IdlArray.prototype.test@http://web-platform.test:8000/resources/idlharness.js:821:13 @http://web-platform.test:8000/entries-api/interfaces.html:35:7 FAIL HTMLInputElement interface: document.createElement("input") must inherit property "webkitEntries" with the proper type - assert_inherits: property "webkitEntries" not found in prototype chain IdlInterface.prototype.test_interface_of/<@http://web-platform.test:8000/resources/idlharness.js:2631:25 Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:1561:20 test@http://web-platform.test:8000/resources/testharness.js:544:21 self.subsetTestByKey@http://web-platform.test:8000/resources/idlharness.js:54:14 IdlInterface.prototype.test_interface_of@http://web-platform.test:8000/resources/idlharness.js:2625:13 IdlInterface.prototype.test_object@http://web-platform.test:8000/resources/idlharness.js:2503:9 IdlArray.prototype.test/<@http://web-platform.test:8000/resources/idlharness.js:826:36 IdlArray.prototype.test@http://web-platform.test:8000/resources/idlharness.js:821:13 @http://web-platform.test:8000/entries-api/interfaces.html:35:7 FAIL DataTransferItem interface: operation webkitGetAsEntry() - assert_own_property: interface prototype object missing non-static operation expected property "webkitGetAsEntry" missing IdlInterface.prototype.test_member_operation/<@http://web-platform.test:8000/resources/idlharness.js:2163:13 Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:1561:20 IdlInterface.prototype.test_member_operation@http://web-platform.test:8000/resources/idlharness.js:2115:5 IdlInterface.prototype.test_members@http://web-platform.test:8000/resources/idlharness.js:2456:21 IdlInterface.prototype.test@http://web-platform.test:8000/resources/idlharness.js:1414:5 IdlArray.prototype.test@http://web-platform.test:8000/resources/idlharness.js:814:28 @http://web-platform.test:8000/entries-api/interfaces.html:35:7