Test for internals.pageNumber()
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
PASS: page number of "firstPage" is 0
PASS: page number of "secondPage" is 1
PASS: page number of "thirdPage" is 2
PASS: page number of "thirdPage2" is 2
All tests passed
PASS successfullyParsed is true
TEST COMPLETE