| Testing the PiPButton class. | |
| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". | |
| PASS pipButton.element.localName is "button" | |
| PASS pipButton.element.classList.contains("pip") is true | |
| PASS pipButton.iconName is Icons.EnterPiP | |
| PASS pipButton.image.element.style.webkitMaskImage.includes("macOS/PipIn.svg") became true | |
| PASS iOSPiPButton.image.element.style.webkitMaskImage.includes("iOS/PipIn.svg") became true | |
| PASS successfullyParsed is true | |
| TEST COMPLETE | |