This is a testharness.js-based test.
[FAIL] "screenx=141" should set left position of opened window
  assert_equals: expected 141 but got 0
[FAIL] " screenx = 141" should set left position of opened window
  assert_equals: expected 141 but got 0
[FAIL] "screenx==141" should set left position of opened window
  assert_equals: expected 141 but got 0
[FAIL] "\\nscreenx= 141" should set left position of opened window
  assert_equals: expected 141 but got 0
[FAIL] ",screenx=141,," should set left position of opened window
  assert_equals: expected 141 but got 0
[FAIL] "SCREENX=141" should set left position of opened window
  assert_equals: expected 141 but got 0
[FAIL] "screenX=141" should set left position of opened window
  assert_equals: expected 141 but got 0
[FAIL] "screeny=142" should set top position of opened window
  assert_equals: expected 142 but got 0
[FAIL] " screeny = 142" should set top position of opened window
  assert_equals: expected 142 but got 0
[FAIL] "screeny==142" should set top position of opened window
  assert_equals: expected 142 but got 0
[FAIL] "\\nscreeny= 142" should set top position of opened window
  assert_equals: expected 142 but got 0
[FAIL] ",screeny=142,," should set top position of opened window
  assert_equals: expected 142 but got 0
[FAIL] "SCREENY=142" should set top position of opened window
  assert_equals: expected 142 but got 0
[FAIL] "screenY=142" should set top position of opened window
  assert_equals: expected 142 but got 0
Harness: the test ran to completion.