tribute("data-offset-y", gridItemData.y);

  checkLayout(".grid", false);
}

function testChangingGridDefinitions()
{
  // Test changing the argument of fit-content() tracks.
  setGridTemplate("grid1", "none", "fit-content(100px)");
  testGridItemDefinitions({"id": "item1", "width": "100", "height": "100", "x": "0", "y": "0" });

  setGridTemplate("grid1", "none", "fit-content(150px)");
  testGridItemDefinitions({"id": "item1", "width": "150", "height": "75", "x": "0", "y": "0" });

  setGridTemplate("grid2