Harness status: OK Found 10 tests 10 Pass Pass A ScrollTimeline can be created with a source Pass A ScrollTimeline can be created with a non-scrolling source Pass A ScrollTimeline created with a null source should have no source Pass A ScrollTimeline created without a source should use the document.scrollingElement Pass A ScrollTimeline created with the default axis should default to 'block' Pass 'block' is a valid axis value Pass 'inline' is a valid axis value Pass 'x' is a valid axis value Pass 'y' is a valid axis value Pass Creating a ScrollTimeline with an invalid axis value should throw