add more delay

e2e-tests/blockref.spec.ts

@@ -23,11 +23,13 @@ async function setUpBlocks(page, block) {
 
 test('backspace at the beginning of a refed block #9406', async ({ page, block }) => {
   await setUpBlocks(page, block)
+  await page.waitForTimeout(100)
   await editNthBlock(page, 1)
+  await page.waitForTimeout(100)
   await moveCursorToBeginning(page)
-  await page.keyboard.press('Backspace')
+  await page.keyboard.press('Backspace', { delay: 100 })
   await expect(page.locator('textarea >> nth=0')).toHaveText("ab")
-    await expect(await block.selectionStart()).toEqual(1)
+  await expect(await block.selectionStart()).toEqual(1)
   await expect(page.locator('.block-ref >> text="ab"')).toHaveCount(1);
 })
 
@@ -68,9 +70,9 @@ test('delete and undo #9406', async ({ page, block }) => {
   await page.keyboard.press('ArrowDown', { delay: 20 })
   await page.keyboard.up('Shift')
   await block.waitForSelectedBlocks(2)
-  await page.keyboard.press('Backspace')
+  await page.keyboard.press('Backspace', { delay: 100 })
   await expect(page.locator('.ls-block')).toHaveCount(1)
-  await page.keyboard.press(modKey + '+z')
+  await page.keyboard.press(modKey + '+z', { delay: 100 })
   await page.waitForTimeout(100)
   await expect(page.locator('.ls-block')).toHaveCount(3)
   await expect(page.locator('.block-ref >> text="b"')).toHaveCount(1);