This is a testharness.js-based test.
[FAIL] rx="-10" should be an invalid attribute value (ignored)
  assert_equals: SVGAnimatedLength.baseVal.value should keep the initial value expected 0 but got -10
[FAIL] rx="-10px" should be an invalid attribute value (ignored)
  assert_equals: SVGAnimatedLength.baseVal.value should keep the initial value expected 0 but got -10
[FAIL] rx="-10%" should be an invalid attribute value (ignored)
  assert_equals: SVGAnimatedLength.baseVal.value should keep the initial value expected 0 but got -80
[FAIL] rx="none" should be an invalid attribute value (ignored)
  assert_equals: getComputedStyle() should keep the initial value expected "auto" but got "0px"
[FAIL] rx="10px 20px" should be an invalid attribute value (ignored)
  assert_equals: getComputedStyle() should keep the initial value expected "auto" but got "0px"
[FAIL] rx="garbage" should be an invalid attribute value (ignored)
  assert_equals: getComputedStyle() should keep the initial value expected "auto" but got "0px"
Harness: the test ran to completion.