message: chore: Fix test broken by merge.
diff: @@ -245,7 +245,7 @@ describe('delay', () => {
  tap({
  next() {
  const [[subscriber]] = subscribeSpy.args;
  - counts.push(subscriber._finalizers.length);
  + counts.push(subscriber._finalizers.size);
  },
  complete() {
  expect(counts).to.deep.equal([1, 1]);
  