| Tests that Array.concat() behaves correctly with an observable array returned by adoptedStyleSheets. | |
| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". | |
| PASS document.adoptedStyleSheets.length is 2 | |
| PASS newArray.length is 3 | |
| PASS document.adoptedStyleSheets.length is 2 | |
| PASS newArray[0] is a | |
| PASS newArray[1] is b | |
| PASS newArray[2] is c | |
| PASS successfullyParsed is true | |
| TEST COMPLETE | |