FAIL classString(document.createNodeIterator(root, 0, null, false).__proto__) should be NodeIteratorPrototype. Was Object.
PASS classString(document.createNodeIterator(root, 0, null, false).constructor) is "Function"
PASS document.createNodeIterator(root, 0, null, false).constructor.name is "NodeIterator"
FAIL classString(document.createNodeIterator(root, 0, null, false).__proto__) should be NodeIteratorPrototype. Was Object.
PASS classString(document.createNodeIterator(root, 0, null, false).constructor) is "Function"
PASS document.createNodeIterator(root, 0, null, false).constructor.name is "NodeIterator"