1 Check if box-flex specified flexboxes expand or shrink correctly. If you see any scrollbars, then the test has failed.
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
7 PASS element.scrollHeight is 100
8 PASS element.scrollWidth is 100
10 PASS element.scrollHeight is 100
11 PASS element.scrollWidth is 100
12 horizontally expanding
13 PASS element.scrollHeight is 100
14 PASS element.scrollWidth is 100
15 horizontally shrinking
16 PASS element.scrollHeight is 100
17 PASS element.scrollWidth is 100
18 PASS successfullyParsed is true