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

tests/blocksuite/e2e/utils/inline-editor.ts

@@ -0,0 +1,22 @@
+import type { Page } from '@playwright/test';
+
+export async function getStringFromRichText(
+  page: Page,
+  index = 0
+): Promise<string> {
+  await page.waitForTimeout(50);
+  return page.evaluate(
+    ([index]) => {
+      const editorHost = document.querySelector('editor-host');
+      const richTexts = editorHost?.querySelectorAll('rich-text');
+
+      if (!richTexts) {
+        throw new Error('Cannot find rich-text');
+      }
+
+      const editor = (richTexts[index] as any).inlineEditor;
+      return editor.yText.toString();
+    },
+    [index]
+  );
+}