1 option/optgroup in menulist can be made focusable by setting tabindex as long as they aren't hidden
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
6 PASS isFocusable("optionA") is true
7 PASS isFocusable("optionB") is false
8 PASS isFocusable("optionC") is false
9 PASS isFocusable("optgroupD") is false
10 PASS isFocusable("optionE") is false
11 PASS isFocusable("optgroupF") is false
12 PASS isFocusable("optionG") is false
13 PASS isFocusable("optionH") is true
14 PASS successfullyParsed is true