This is a testharness.js-based test.
[FAIL] Trying to set an expando that would shadow an already-existing named property
assert_throws_js: function "function() {\n "use strict";\n delete form["l1"];\n }" did not throw
[FAIL] Trying to set an expando that shadows a named property that gets added later
assert_equals: expected (number) 5 but got (object) Element node <input name="new-name"></input>
[FAIL] Trying to set a non-configurable expando that shadows a named property that gets added later
assert_equals: expected (number) 5 but got (object) Element node <input name="new-name2"></input>
Harness: the test ran to completion.