[clip-path-composition.html]
  [Compositing CSS Animations: property <clip-path> underlying [polygon(round 10px, 10px 20px, 30px 40px)\] from add [polygon(round 10px, 10px 20px, 30px 40px)\] to add [polygon(round 30px, 110px 120px, 130px 140px)\] at (-0.3) should be [polygon(round 14px, -10px 10px, 30px 50px)\]]
    expected: FAIL

  [Compositing CSS Animations: property <clip-path> underlying [polygon(round 10px, 10px 20px, 30px 40px)\] from add [polygon(round 10px, 10px 20px, 30px 40px)\] to add [polygon(round 30px, 110px 120px, 130px 140px)\] at (0) should be [polygon(round 20px, 20px 40px, 60px 80px)\]]
    expected: FAIL

  [Compositing CSS Animations: property <clip-path> underlying [polygon(round 10px, 10px 20px, 30px 40px)\] from add [polygon(round 10px, 10px 20px, 30px 40px)\] to add [polygon(round 30px, 110px 120px, 130px 140px)\] at (0.3) should be [polygon(round 26px, 50px 70px, 90px 110px)\]]
    expected: FAIL

  [Compositing CSS Animations: property <clip-path> underlying [polygon(round 10px, 10px 20px, 30px 40px)\] from add [polygon(round 10px, 10px 20px, 30px 40px)\] to add [polygon(round 30px, 110px 120px, 130px 140px)\] at (0.6) should be [polygon(round 32px, 80px 100px, 120px 140px)\]]
    expected: FAIL

  [Compositing CSS Animations: property <clip-path> underlying [polygon(round 10px, 10px 20px, 30px 40px)\] from add [polygon(round 10px, 10px 20px, 30px 40px)\] to add [polygon(round 30px, 110px 120px, 130px 140px)\] at (1) should be [polygon(round 40px, 120px 140px, 160px 180px)\]]
    expected: FAIL

  [Compositing CSS Animations: property <clip-path> underlying [polygon(round 10px, 10px 20px, 30px 40px)\] from add [polygon(round 10px, 10px 20px, 30px 40px)\] to add [polygon(round 30px, 110px 120px, 130px 140px)\] at (1.5) should be [polygon(round 50px, 170px 190px, 210px 230px)\]]
    expected: FAIL

  [Compositing Web Animations: property <clip-path> underlying [polygon(round 10px, 10px 20px, 30px 40px)\] from add [polygon(round 10px, 10px 20px, 30px 40px)\] to add [polygon(round 30px, 110px 120px, 130px 140px)\] at (-0.3) should be [polygon(round 14px, -10px 10px, 30px 50px)\]]
    expected: FAIL

  [Compositing Web Animations: property <clip-path> underlying [polygon(round 10px, 10px 20px, 30px 40px)\] from add [polygon(round 10px, 10px 20px, 30px 40px)\] to add [polygon(round 30px, 110px 120px, 130px 140px)\] at (0) should be [polygon(round 20px, 20px 40px, 60px 80px)\]]
    expected: FAIL

  [Compositing Web Animations: property <clip-path> underlying [polygon(round 10px, 10px 20px, 30px 40px)\] from add [polygon(round 10px, 10px 20px, 30px 40px)\] to add [polygon(round 30px, 110px 120px, 130px 140px)\] at (0.3) should be [polygon(round 26px, 50px 70px, 90px 110px)\]]
    expected: FAIL

  [Compositing Web Animations: property <clip-path> underlying [polygon(round 10px, 10px 20px, 30px 40px)\] from add [polygon(round 10px, 10px 20px, 30px 40px)\] to add [polygon(round 30px, 110px 120px, 130px 140px)\] at (0.6) should be [polygon(round 32px, 80px 100px, 120px 140px)\]]
    expected: FAIL

  [Compositing Web Animations: property <clip-path> underlying [polygon(round 10px, 10px 20px, 30px 40px)\] from add [polygon(round 10px, 10px 20px, 30px 40px)\] to add [polygon(round 30px, 110px 120px, 130px 140px)\] at (1) should be [polygon(round 40px, 120px 140px, 160px 180px)\]]
    expected: FAIL

  [Compositing Web Animations: property <clip-path> underlying [polygon(round 10px, 10px 20px, 30px 40px)\] from add [polygon(round 10px, 10px 20px, 30px 40px)\] to add [polygon(round 30px, 110px 120px, 130px 140px)\] at (1.5) should be [polygon(round 50px, 170px 190px, 210px 230px)\]]
    expected: FAIL