diff --git a/packages/shared-components/vitest.config.ts b/packages/shared-components/vitest.config.ts
index 07cbe8c8e9..7000986700 100644
--- a/packages/shared-components/vitest.config.ts
+++ b/packages/shared-components/vitest.config.ts
@@ -110,6 +110,7 @@ export default mergeConfig(
                 "vite-plugin-node-polyfills/shims/buffer",
                 "vite-plugin-node-polyfills/shims/process",
                 "@vector-im/compound-design-tokens/assets/web/icons",
+                "storybook/preview-api",
             ],
         },
         resolve: {
diff --git a/packages/vite-common/vite.config.ts b/packages/vite-common/vite.config.ts
index f455b2d191..b45cd45912 100644
--- a/packages/vite-common/vite.config.ts
+++ b/packages/vite-common/vite.config.ts
@@ -56,6 +56,6 @@ export default defineConfig({
         reporters,
         pool: "threads",
         globals: false,
-        include: ["src/**/*.test.ts"],
+        include: ["src/**/*.test.{ts,tsx}"],
     },
 });