chore: improved storybook prefetching (#660)

Author: manuel3108

.github/workflows/ci.yml

@@ -53,6 +53,4 @@ jobs:
       - run: pnpm install --frozen-lockfile
       - run: pnpm exec playwright install chromium
       - run: pnpm build
-      # prefetch the storybook cli to reduce fetching errors in tests
-      - run: pnpx create-storybook@latest --version
       - run: pnpm test

packages/addons/_tests/storybook/test.ts

@@ -1,5 +1,7 @@
 import process from 'node:process';
+import { execSync } from 'node:child_process';
 import { expect } from '@playwright/test';
+import { beforeAll } from 'vitest';
 import { setupTest } from '../_setup/suite.ts';
 import storybook from '../../storybook/index.ts';
 import eslint from '../../eslint/index.ts';
@@ -9,6 +11,13 @@ const { test, variants, prepareServer } = setupTest({ storybook, eslint });
 
 let port = 6006;
 
+beforeAll(() => {
+	if (process.env.CI) {
+		// prefetch the storybook cli during ci to reduce fetching errors in tests
+		execSync('pnpx create-storybook@latest --version');
+	}
+});
+
 test.for(variants)(
 	'storybook loaded - %s',
 	{ concurrent: !process.env.CI },