test(editor): move blocksuite test to tests folder (#10917)

tests/blocksuite/e2e/multiple-editors/selection.spec.ts

@@ -0,0 +1,35 @@
+import { expect } from '@playwright/test';
+
+import { dragBetweenCoords } from '../utils/actions/drag.js';
+import { toggleMultipleEditors } from '../utils/actions/edgeless.js';
+import {
+  enterPlaygroundRoom,
+  initEmptyParagraphState,
+  initThreeParagraphs,
+} from '../utils/actions/misc.js';
+import { getRichTextBoundingBox } from '../utils/actions/selection.js';
+import { test } from '../utils/playwright.js';
+
+test('should only show one format bar when multiple editors are toggled', async ({
+  page,
+}) => {
+  await enterPlaygroundRoom(page);
+  await initEmptyParagraphState(page);
+  await initThreeParagraphs(page);
+  await toggleMultipleEditors(page);
+
+  // Select some text
+  const box123 = await getRichTextBoundingBox(page, '2');
+  const above123 = { x: box123.left + 10, y: box123.top + 2 };
+
+  const box789 = await getRichTextBoundingBox(page, '4');
+  const bottomRight789 = { x: box789.right - 10, y: box789.bottom - 2 };
+
+  await dragBetweenCoords(page, above123, bottomRight789, { steps: 10 });
+
+  // should only show one format bar
+  const formatBar = page.locator(
+    'affine-toolbar-widget editor-toolbar[data-open]'
+  );
+  await expect(formatBar).toHaveCount(1);
+});