1 Check if an OPTION style is serialized with comparison with the parent OPTGROUP style.
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
6 PASS params.children[1].type is "optgroup"
7 PASS params.children[1].children[0].type is undefined.
8 PASS params.children[1].children[0].style.color is "#000000"
9 PASS params.children[1].children[0].style.backgroundColor is "#ffffff"
10 PASS successfullyParsed is true