feat: add e2e test for creating multi workspaces

tests/libs/workspace-logic.ts

@@ -0,0 +1,24 @@
+import type { Page } from '@playwright/test';
+interface CreateWorkspaceParams {
+  name: string;
+}
+export async function createWorkspace(
+  params: CreateWorkspaceParams,
+  page: Page
+) {
+  // open workspace list modal
+  const workspaceName = page.getByTestId('workspace-name');
+  await workspaceName.click();
+
+  // open create workspace modal
+  await page.locator('.add-icon').click();
+
+  // input workspace name
+  await page.getByPlaceholder('Set a Workspace name').click();
+  await page.getByPlaceholder('Set a Workspace name').fill(params.name);
+
+  // click create button
+  await page.getByRole('button', { name: 'Create' }).click();
+
+  return page.waitForTimeout(300);
+}