PASS path.insertItemBefore(null, 0) threw exception TypeError: path.insertItemBefore is not a function. (In 'path.insertItemBefore(null, 0)', 'path.insertItemBefore' is undefined).
PASS path.replaceItem(null, 0) threw exception TypeError: path.replaceItem is not a function. (In 'path.replaceItem(null, 0)', 'path.replaceItem' is undefined).
PASS path.appendItem(null) threw exception TypeError: path.appendItem is not a function. (In 'path.appendItem(null)', 'path.appendItem' is undefined).
PASS path.insertItemBefore(null, 0) threw exception TypeError: path.insertItemBefore is not a function. (In 'path.insertItemBefore(null, 0)', 'path.insertItemBefore' is undefined).
PASS path.replaceItem(null, 0) threw exception TypeError: path.replaceItem is not a function. (In 'path.replaceItem(null, 0)', 'path.replaceItem' is undefined).
PASS path.appendItem(null) threw exception TypeError: path.appendItem is not a function. (In 'path.appendItem(null)', 'path.appendItem' is undefined).