add delay to pass the tests

e2e-tests/editor.spec.ts

@@ -828,7 +828,7 @@ test('copy blocks should remove all ref-related values', async ({ page, block })
   await page.keyboard.press(modKey + '+v')
   await expect(page.locator('.open-block-ref-link')).toHaveCount(1)
 
-  await page.keyboard.press('ArrowUp')
+  await page.keyboard.press('ArrowUp', { delay: 10 })
   await page.waitForTimeout(100)
   await page.keyboard.press('Escape')
   await expect(page.locator('.ls-block.selected')).toHaveCount(1)
@@ -848,7 +848,7 @@ test('undo cut block should recover refs', async ({ page, block }) => {
   await page.keyboard.press(modKey + '+v')
   await expect(page.locator('.open-block-ref-link')).toHaveCount(1)
 
-  await page.keyboard.press('ArrowUp')
+  await page.keyboard.press('ArrowUp', { delay: 10 })
   await page.waitForTimeout(100)
   await page.keyboard.press('Escape')
   await expect(page.locator('.ls-block.selected')).toHaveCount(1)