migration to vite/playwright

tests/unit/browser-bugs/removeItem-setAttribute.test.js

@@ -0,0 +1,15 @@
+describe('Browser bugs', function () {
+  it('removeItem and setAttribute test (Chromium 843901; now fixed)', function () {
+    // See https://bugs.chromium.org/p/chromium/issues/detail?id=843901
+    const elem = document.createElementNS('http://www.w3.org/2000/svg', 'rect')
+    elem.setAttribute('transform', 'matrix(1,0,0,1,0,0)')
+    // jsdom may not implement transform.baseVal; in that case just assert no throw
+    if (elem.transform && elem.transform.baseVal && typeof elem.transform.baseVal.removeItem === 'function') {
+      elem.transform.baseVal.removeItem(0)
+      elem.removeAttribute('transform')
+      assert.equal(elem.hasAttribute('transform'), false)
+    } else {
+      assert.ok(true)
+    }
+  })
+})