From d33b9c35f4ea7f6ff009254a1b75324065e30bf2 Mon Sep 17 00:00:00 2001
From: Valentin Palkovic <valentin@chromatic.com>
Date: Wed, 28 Jan 2026 14:20:04 +0100
Subject: [PATCH] Addon-Vitest: Update Vitest plugin configuration to disable
 requireAssertions for expect

---
 code/addons/vitest/src/vitest-plugin/index.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/code/addons/vitest/src/vitest-plugin/index.ts b/code/addons/vitest/src/vitest-plugin/index.ts
index 9dc01100b2bd..b07edb2bfd00 100644
--- a/code/addons/vitest/src/vitest-plugin/index.ts
+++ b/code/addons/vitest/src/vitest-plugin/index.ts
@@ -297,6 +297,7 @@ export const storybookTest = async (options?: UserOptions): Promise<Plugin[]> =>
       const baseConfig: Omit<ViteUserConfig, 'plugins'> = {
         cacheDir: resolvePathInStorybookCache('sb-vitest', projectId),
         test: {
+          expect: { requireAssertions: false },
           setupFiles: [
             fileURLToPath(import.meta.resolve('@storybook/addon-vitest/internal/setup-file')),
             // if the existing setupFiles is a string, we have to include it otherwise we're overwriting it