="target"></div>
<script>
promise_test(async t => {
  await waitForAnimationFrames(1);
  const target = document.getElementById("target");
  getComputedStyle(target).transform; // ensure there's a before-change style
  target.style.transform = "matrix3d(2,0,0,0, 0,2,0,0, 0,0,0,0, 0,0,0,1)";
  assert_equals(document.getAnimations().length, 0, "No transitions");
}, "Setting 'transform' to a non-invertible matrix does not yield a CSS Transition");
</script>
