[path-length-interpolation.tentative.html]
  [CSS Transitions: property <path-length> from [0\] to [100\] at (-0.3) should be [0\]]
    expected: FAIL

  [CSS Transitions: property <path-length> from [0\] to [100\] at (0) should be [0\]]
    expected: FAIL

  [CSS Transitions: property <path-length> from [0\] to [100\] at (0.5) should be [50\]]
    expected: FAIL

  [CSS Transitions: property <path-length> from [0\] to [100\] at (1) should be [100\]]
    expected: FAIL

  [CSS Transitions: property <path-length> from [0\] to [100\] at (1.5) should be [150\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <path-length> from [0\] to [100\] at (-0.3) should be [0\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <path-length> from [0\] to [100\] at (0) should be [0\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <path-length> from [0\] to [100\] at (0.5) should be [50\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <path-length> from [0\] to [100\] at (1) should be [100\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <path-length> from [0\] to [100\] at (1.5) should be [150\]]
    expected: FAIL

  [CSS Animations: property <path-length> from [0\] to [100\] at (-0.3) should be [0\]]
    expected: FAIL

  [CSS Animations: property <path-length> from [0\] to [100\] at (0) should be [0\]]
    expected: FAIL

  [CSS Animations: property <path-length> from [0\] to [100\] at (0.5) should be [50\]]
    expected: FAIL

  [CSS Animations: property <path-length> from [0\] to [100\] at (1) should be [100\]]
    expected: FAIL

  [CSS Animations: property <path-length> from [0\] to [100\] at (1.5) should be [150\]]
    expected: FAIL

  [Web Animations: property <path-length> from [0\] to [100\] at (-0.3) should be [0\]]
    expected: FAIL

  [Web Animations: property <path-length> from [0\] to [100\] at (0) should be [0\]]
    expected: FAIL

  [Web Animations: property <path-length> from [0\] to [100\] at (0.5) should be [50\]]
    expected: FAIL

  [Web Animations: property <path-length> from [0\] to [100\] at (1) should be [100\]]
    expected: FAIL

  [Web Animations: property <path-length> from [0\] to [100\] at (1.5) should be [150\]]
    expected: FAIL