| Checks incomplete datetime formats are rejected. | |
| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". | |
| Valid format | |
| PASS getUserAgentShadowTextContent(input) is "Week09 1999" | |
| Invalid format, fallback to yyyy-'W'ww | |
| PASS getUserAgentShadowTextContent(input) is "1999-W09" | |
| PASS getUserAgentShadowTextContent(input) is "1999-W09" | |
| PASS successfullyParsed is true | |
| TEST COMPLETE | |