This is a testharness.js-based test.
Found 12 FAIL, 0 TIMEOUT, 0 NOTRUN.
[FAIL] progress.max: setAttribute() to "\\t7"
assert_equals: IDL get expected 7 but got 1
[FAIL] progress.max: setAttribute() to "\\f7"
assert_equals: IDL get expected 7 but got 1
[FAIL] progress.max: setAttribute() to " 7"
assert_equals: IDL get expected 7 but got 1
[FAIL] progress.max: setAttribute() to "\\n7"
assert_equals: IDL get expected 7 but got 1
[FAIL] progress.max: setAttribute() to "\\r7"
assert_equals: IDL get expected 7 but got 1
[FAIL] progress.max: setAttribute() to "7\\v"
assert_equals: IDL get expected 7 but got 1
[FAIL] progress.max: setAttribute() to "5%"
assert_equals: IDL get expected 5 but got 1
[FAIL] progress.max: setAttribute() to "+100"
assert_equals: IDL get expected 100 but got 1
[FAIL] progress.max: IDL set to -10000000000
assert_equals: getAttribute() expected "previous value" but got "1"
[FAIL] progress.max: IDL set to -1
assert_equals: getAttribute() expected "previous value" but got "1"
[FAIL] progress.max: IDL set to -0
assert_equals: getAttribute() expected "previous value" but got "1"
[FAIL] progress.max: IDL set to 0
assert_equals: getAttribute() expected "previous value" but got "1"
Harness: the test ran to completion.