[mask-position-interpolation.html]
  [CSS Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (-0.25) should be [-20px -20px, -20px -20px, -20px -20px, -20px -20px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (1) should be [ 40px  40px, 80px  80px, 0px  80px, 40px  40px,  80px  80px,   0px  80px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (1) should be [ 80px  80px,  80px  80px,  80px  80px,  80px  80px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0.25) should be [ 10px  10px, 80px  20px, 0px  20px, 70px  10px,  20px  20px,  60px  20px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [initial\] to [20px 20px\] at (0) should be [0% 0%\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (1) should be [ 40px  40px, 80px  80px, 0px  80px, 40px  40px,  80px  80px,   0px  80px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (1.25) should be [ 50px  50px, 80px 100px, 0px 100px, 30px  50px, 100px 100px, -20px 100px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from neutral to [20px 20px\] at (-0.25) should be [7.5px 32.5px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from neutral to [20px 20px\] at (0.75) should be [17.5px 22.5px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [inherit\] to [20px 20px\] at (0.5) should be [25px 15px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [initial\] to [20px 20px\] at (0.5) should be [calc(0% + 10px) calc(0% + 10px)\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [inherit\] to [20px 20px\] at (0.25) should be [27.5px 12.5px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (1.25) should be [100px 100px, 100px 100px, 100px 100px, 100px 100px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from neutral to [20px 20px\] at (0) should be [10px 30px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (-0.25) should be [-10px -10px, 80px -20px, 0px -20px, 90px -10px, -20px -20px, 100px -20px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from neutral to [20px 20px\] at (1.25) should be [22.5px 17.5px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0.75) should be [ 30px  30px, 80px  60px, 0px  60px, 50px  30px,  60px  60px,  20px  60px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (1) should be [ 80px  80px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [initial\] to [20px 20px\] at (1) should be [calc(0% + 20px) calc(0% + 20px)\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [initial\] to [20px 20px\] at (0.75) should be [calc(0% + 15px) calc(0% + 15px)\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (1) should be [ 80px  80px,  80px  80px,  80px  80px,  80px  80px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0.5) should be [ 20px  20px, 80px  40px, 0px  40px, 60px  20px,  40px  40px,  40px  40px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from neutral to [20px 20px\] at (1) should be [20px 20px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [unset\] to [20px 20px\] at (1.25) should be [calc(0% + 25px) calc(0% + 25px)\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0) should be [  0px   0px, 80px   0px, 0px   0px, 80px   0px,   0px   0px,  80px   0px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0) should be [  0px   0px, 80px   0px, 0px   0px, 80px   0px,   0px   0px,  80px   0px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [initial\] to [20px 20px\] at (0.25) should be [calc(0% + 5px) calc(0% + 5px)\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [inherit\] to [20px 20px\] at (0.5) should be [25px 15px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [inherit\] to [20px 20px\] at (0) should be [30px 10px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from neutral to [20px 20px\] at (0.5) should be [15px 25px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [initial\] to [20px 20px\] at (0.5) should be [calc(0% + 10px) calc(0% + 10px)\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [inherit\] to [20px 20px\] at (0.25) should be [27.5px 12.5px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [inherit\] to [20px 20px\] at (0.75) should be [22.5px 17.5px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [initial\] to [20px 20px\] at (0) should be [0% 0%\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (1.25) should be [ 50px  50px, 80px 100px, 0px 100px, 30px  50px, 100px 100px, -20px 100px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (-0.25) should be [-20px -20px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (1.25) should be [ 50px  50px, 80px 100px, 0px 100px, 30px  50px, 100px 100px, -20px 100px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [unset\] to [20px 20px\] at (0) should be [0% 0%\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [initial\] to [20px 20px\] at (-0.25) should be [calc(0% - 5px) calc(0% - 5px)\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [inherit\] to [20px 20px\] at (0.25) should be [27.5px 12.5px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (1.25) should be [100px 100px, 100px 100px, 100px 100px, 100px 100px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (-0.25) should be [-10px -10px, 80px -20px, 0px -20px, 90px -10px, -20px -20px, 100px -20px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (0.25) should be [ 20px  20px,  20px  20px,  20px  20px,  20px  20px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [initial\] to [20px 20px\] at (0) should be [0% 0%\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [initial\] to [20px 20px\] at (-0.25) should be [calc(0% - 5px) calc(0% - 5px)\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [unset\] to [20px 20px\] at (0) should be [0% 0%\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [unset\] to [20px 20px\] at (0.25) should be [calc(0% + 5px) calc(0% + 5px)\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [inherit\] to [20px 20px\] at (0.75) should be [22.5px 17.5px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [unset\] to [20px 20px\] at (1) should be [calc(0% + 20px) calc(0% + 20px)\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (0.5) should be [ 40px  40px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (0.75) should be [ 60px  60px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (0.25) should be [ 20px  20px,  20px  20px,  20px  20px,  20px  20px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (0) should be [  0px   0px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (1.25) should be [100px 100px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from neutral to [20px 20px\] at (1) should be [20px 20px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (1) should be [ 80px  80px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (0.5) should be [ 40px  40px,  40px  40px,  40px  40px,  40px  40px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0) should be [  0px   0px, 80px   0px, 0px   0px, 80px   0px,   0px   0px,  80px   0px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [initial\] to [20px 20px\] at (1.25) should be [calc(0% + 25px) calc(0% + 25px)\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (1) should be [ 80px  80px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from neutral to [20px 20px\] at (0.75) should be [17.5px 22.5px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [inherit\] to [20px 20px\] at (-0.25) should be [32.5px 7.5px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [unset\] to [20px 20px\] at (1.25) should be [calc(0% + 25px) calc(0% + 25px)\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [initial\] to [20px 20px\] at (0.75) should be [calc(0% + 15px) calc(0% + 15px)\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0.5) should be [ 20px  20px, 80px  40px, 0px  40px, 60px  20px,  40px  40px,  40px  40px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (0.75) should be [ 60px  60px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [inherit\] to [20px 20px\] at (1.25) should be [17.5px 22.5px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0.25) should be [ 10px  10px, 80px  20px, 0px  20px, 70px  10px,  20px  20px,  60px  20px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (0.5) should be [ 40px  40px,  40px  40px,  40px  40px,  40px  40px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (0.75) should be [ 60px  60px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from neutral to [20px 20px\] at (0) should be [10px 30px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (1) should be [ 80px  80px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (0) should be [  0px   0px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [initial\] to [20px 20px\] at (1.25) should be [calc(0% + 25px) calc(0% + 25px)\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (1.25) should be [100px 100px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [unset\] to [20px 20px\] at (0.25) should be [calc(0% + 5px) calc(0% + 5px)\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [unset\] to [20px 20px\] at (1) should be [calc(0% + 20px) calc(0% + 20px)\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [unset\] to [20px 20px\] at (0.5) should be [calc(0% + 10px) calc(0% + 10px)\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [inherit\] to [20px 20px\] at (0.5) should be [25px 15px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [inherit\] to [20px 20px\] at (1.25) should be [17.5px 22.5px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [initial\] to [20px 20px\] at (-0.25) should be [calc(0% - 5px) calc(0% - 5px)\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (-0.25) should be [-10px -10px, 80px -20px, 0px -20px, 90px -10px, -20px -20px, 100px -20px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from neutral to [20px 20px\] at (1) should be [20px 20px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [unset\] to [20px 20px\] at (-0.25) should be [calc(0% - 5px) calc(0% - 5px)\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (1) should be [ 40px  40px, 80px  80px, 0px  80px, 40px  40px,  80px  80px,   0px  80px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (0.75) should be [ 60px  60px,  60px  60px,  60px  60px,  60px  60px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [initial\] to [20px 20px\] at (-0.25) should be [calc(0% - 5px) calc(0% - 5px)\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from neutral to [20px 20px\] at (1.25) should be [22.5px 17.5px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from neutral to [20px 20px\] at (1.25) should be [22.5px 17.5px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from neutral to [20px 20px\] at (0.25) should be [12.5px 27.5px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from neutral to [20px 20px\] at (-0.25) should be [7.5px 32.5px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (0.75) should be [ 60px  60px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (0) should be [  0px   0px,   0px   0px,   0px   0px,   0px   0px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0.25) should be [ 10px  10px, 80px  20px, 0px  20px, 70px  10px,  20px  20px,  60px  20px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (0) should be [  0px   0px,   0px   0px,   0px   0px,   0px   0px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (-0.25) should be [-20px -20px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [initial\] to [20px 20px\] at (1) should be [calc(0% + 20px) calc(0% + 20px)\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [initial\] to [20px 20px\] at (0.75) should be [calc(0% + 15px) calc(0% + 15px)\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (0.5) should be [ 40px  40px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [unset\] to [20px 20px\] at (0.75) should be [calc(0% + 15px) calc(0% + 15px)\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [unset\] to [20px 20px\] at (0.25) should be [calc(0% + 5px) calc(0% + 5px)\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [inherit\] to [20px 20px\] at (1.25) should be [17.5px 22.5px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (1.25) should be [100px 100px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (-0.25) should be [-20px -20px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (-0.25) should be [-20px -20px, -20px -20px, -20px -20px, -20px -20px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0.5) should be [ 20px  20px, 80px  40px, 0px  40px, 60px  20px,  40px  40px,  40px  40px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [initial\] to [20px 20px\] at (0) should be [0% 0%\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (0.75) should be [ 60px  60px,  60px  60px,  60px  60px,  60px  60px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (0.5) should be [ 40px  40px,  40px  40px,  40px  40px,  40px  40px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [unset\] to [20px 20px\] at (1.25) should be [calc(0% + 25px) calc(0% + 25px)\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from neutral to [20px 20px\] at (0) should be [10px 30px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (0) should be [  0px   0px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [inherit\] to [20px 20px\] at (1) should be [20px 20px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from neutral to [20px 20px\] at (0.5) should be [15px 25px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [inherit\] to [20px 20px\] at (-0.25) should be [32.5px 7.5px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (1.25) should be [100px 100px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (0.25) should be [ 20px  20px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (0.5) should be [ 40px  40px,  40px  40px,  40px  40px,  40px  40px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [inherit\] to [20px 20px\] at (0.75) should be [22.5px 17.5px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (0) should be [  0px   0px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [initial\] to [20px 20px\] at (0.75) should be [calc(0% + 15px) calc(0% + 15px)\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [unset\] to [20px 20px\] at (1.25) should be [calc(0% + 25px) calc(0% + 25px)\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (0.25) should be [ 20px  20px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from neutral to [20px 20px\] at (-0.25) should be [7.5px 32.5px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [unset\] to [20px 20px\] at (0.75) should be [calc(0% + 15px) calc(0% + 15px)\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (1) should be [ 40px  40px, 80px  80px, 0px  80px, 40px  40px,  80px  80px,   0px  80px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from neutral to [20px 20px\] at (1) should be [20px 20px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [unset\] to [20px 20px\] at (0.5) should be [calc(0% + 10px) calc(0% + 10px)\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from neutral to [20px 20px\] at (0.75) should be [17.5px 22.5px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (0.25) should be [ 20px  20px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [inherit\] to [20px 20px\] at (0.5) should be [25px 15px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [initial\] to [20px 20px\] at (1) should be [calc(0% + 20px) calc(0% + 20px)\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [initial\] to [20px 20px\] at (0.5) should be [calc(0% + 10px) calc(0% + 10px)\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (-0.25) should be [-20px -20px, -20px -20px, -20px -20px, -20px -20px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (0.25) should be [ 20px  20px,  20px  20px,  20px  20px,  20px  20px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (0.5) should be [ 40px  40px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [initial\] to [20px 20px\] at (0.25) should be [calc(0% + 5px) calc(0% + 5px)\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0.75) should be [ 30px  30px, 80px  60px, 0px  60px, 50px  30px,  60px  60px,  20px  60px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (0.75) should be [ 60px  60px,  60px  60px,  60px  60px,  60px  60px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [unset\] to [20px 20px\] at (0.25) should be [calc(0% + 5px) calc(0% + 5px)\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [unset\] to [20px 20px\] at (1) should be [calc(0% + 20px) calc(0% + 20px)\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [initial\] to [20px 20px\] at (0.25) should be [calc(0% + 5px) calc(0% + 5px)\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (0) should be [  0px   0px,   0px   0px,   0px   0px,   0px   0px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [inherit\] to [20px 20px\] at (1) should be [20px 20px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (1.25) should be [ 50px  50px, 80px 100px, 0px 100px, 30px  50px, 100px 100px, -20px 100px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [unset\] to [20px 20px\] at (0) should be [0% 0%\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (0.5) should be [ 40px  40px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [unset\] to [20px 20px\] at (1) should be [calc(0% + 20px) calc(0% + 20px)\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [initial\] to [20px 20px\] at (1.25) should be [calc(0% + 25px) calc(0% + 25px)\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [unset\] to [20px 20px\] at (0.5) should be [calc(0% + 10px) calc(0% + 10px)\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from neutral to [20px 20px\] at (0.25) should be [12.5px 27.5px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [unset\] to [20px 20px\] at (0.75) should be [calc(0% + 15px) calc(0% + 15px)\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (0.25) should be [ 20px  20px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0.25) should be [ 10px  10px, 80px  20px, 0px  20px, 70px  10px,  20px  20px,  60px  20px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (1) should be [ 80px  80px,  80px  80px,  80px  80px,  80px  80px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [inherit\] to [20px 20px\] at (0) should be [30px 10px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [unset\] to [20px 20px\] at (-0.25) should be [calc(0% - 5px) calc(0% - 5px)\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0) should be [  0px   0px, 80px   0px, 0px   0px, 80px   0px,   0px   0px,  80px   0px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [inherit\] to [20px 20px\] at (-0.25) should be [32.5px 7.5px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [unset\] to [20px 20px\] at (0.5) should be [calc(0% + 10px) calc(0% + 10px)\]]
    expected: FAIL

  [Web Animations: property <mask-position> from neutral to [20px 20px\] at (0.25) should be [12.5px 27.5px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [unset\] to [20px 20px\] at (0.75) should be [calc(0% + 15px) calc(0% + 15px)\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [top 0px left 0px\] to [left 80px top 80px\] at (-0.25) should be [-20px -20px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [unset\] to [20px 20px\] at (-0.25) should be [calc(0% - 5px) calc(0% - 5px)\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [inherit\] to [20px 20px\] at (0) should be [30px 10px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (0.75) should be [ 60px  60px,  60px  60px,  60px  60px,  60px  60px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [unset\] to [20px 20px\] at (-0.25) should be [calc(0% - 5px) calc(0% - 5px)\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [inherit\] to [20px 20px\] at (-0.25) should be [32.5px 7.5px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [inherit\] to [20px 20px\] at (0.75) should be [22.5px 17.5px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0.75) should be [ 30px  30px, 80px  60px, 0px  60px, 50px  30px,  60px  60px,  20px  60px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (1) should be [ 80px  80px,  80px  80px,  80px  80px,  80px  80px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [inherit\] to [20px 20px\] at (0.25) should be [27.5px 12.5px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (-0.25) should be [-10px -10px, 80px -20px, 0px -20px, 90px -10px, -20px -20px, 100px -20px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (1.25) should be [100px 100px, 100px 100px, 100px 100px, 100px 100px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [inherit\] to [20px 20px\] at (1.25) should be [17.5px 22.5px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [initial\] to [20px 20px\] at (1) should be [calc(0% + 20px) calc(0% + 20px)\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (0) should be [  0px   0px,   0px   0px,   0px   0px,   0px   0px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0.75) should be [ 30px  30px, 80px  60px, 0px  60px, 50px  30px,  60px  60px,  20px  60px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [inherit\] to [20px 20px\] at (1) should be [20px 20px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from neutral to [20px 20px\] at (0.5) should be [15px 25px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0.5) should be [ 20px  20px, 80px  40px, 0px  40px, 60px  20px,  40px  40px,  40px  40px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from neutral to [20px 20px\] at (0.5) should be [15px 25px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [inherit\] to [20px 20px\] at (1) should be [20px 20px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from neutral to [20px 20px\] at (0.75) should be [17.5px 22.5px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [unset\] to [20px 20px\] at (0) should be [0% 0%\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (0.25) should be [ 20px  20px,  20px  20px,  20px  20px,  20px  20px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [initial\] to [20px 20px\] at (0.5) should be [calc(0% + 10px) calc(0% + 10px)\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (-0.25) should be [-20px -20px, -20px -20px, -20px -20px, -20px -20px\]]
    expected: FAIL

  [CSS Transitions: property <mask-position> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [80px 80px, 80px 80px, 80px 80px, 80px 80px\] at (1.25) should be [100px 100px, 100px 100px, 100px 100px, 100px 100px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from [initial\] to [20px 20px\] at (1.25) should be [calc(0% + 25px) calc(0% + 25px)\]]
    expected: FAIL

  [Web Animations: property <mask-position> from neutral to [20px 20px\] at (0) should be [10px 30px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <mask-position> from neutral to [20px 20px\] at (0.25) should be [12.5px 27.5px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from [initial\] to [20px 20px\] at (0.25) should be [calc(0% + 5px) calc(0% + 5px)\]]
    expected: FAIL

  [Web Animations: property <mask-position> from [inherit\] to [20px 20px\] at (0) should be [30px 10px\]]
    expected: FAIL

  [Web Animations: property <mask-position> from neutral to [20px 20px\] at (1.25) should be [22.5px 17.5px\]]
    expected: FAIL

  [CSS Animations: property <mask-position> from neutral to [20px 20px\] at (-0.25) should be [7.5px 32.5px\]]
    expected: FAIL