diff --git a/packages/components/dismissable/package.json b/packages/components/dismissable/package.json
index d0d64025..e9fa7b11 100644
--- a/packages/components/dismissable/package.json
+++ b/packages/components/dismissable/package.json
@@ -40,6 +40,7 @@
 	},
 	"devDependencies": {
 		"@testing-library/dom": "^10.4.0",
+		"@testing-library/jest-dom": "^6.6.3",
 		"jsdom": "25.0.1",
 		"svelte-preprocess": "6.0.3"
 	}
diff --git a/packages/components/dismissable/test/setup.ts b/packages/components/dismissable/test/setup.ts
index 8167d143..1597d167 100644
--- a/packages/components/dismissable/test/setup.ts
+++ b/packages/components/dismissable/test/setup.ts
@@ -1 +1,2 @@
+import '@testing-library/jest-dom/vitest';
 import '../../../../shared/test/mocks/sveltekit';
diff --git a/packages/components/dismissable/vitest.config.js b/packages/components/dismissable/vitest.config.js
index d7b1f54a..d61884b8 100644
--- a/packages/components/dismissable/vitest.config.js
+++ b/packages/components/dismissable/vitest.config.js
@@ -1,5 +1,6 @@
 import { svelteInlineComponent } from '@288-toolkit/vite-plugin-svelte-inline-component';
 import { sveltekit } from '@sveltejs/kit/vite';
+import { svelteTesting } from '@testing-library/svelte/vite';
 import { defineProject, mergeConfig } from 'vitest/config';
 import baseConfig from '../../../vitest.shared';
 
@@ -7,9 +8,8 @@ export default mergeConfig(
 	baseConfig,
 	defineProject({
 		test: {
-			setupFiles: ['./test/setup.ts'],
-			alias: [{ find: /^svelte$/, replacement: 'svelte/internal' }]
+			setupFiles: ['./test/setup.ts']
 		},
-		plugins: [sveltekit(), svelteInlineComponent()]
+		plugins: [sveltekit(), svelteTesting(), svelteInlineComponent()]
 	})
 );
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index ad87b921..00867ad8 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -1126,6 +1126,10 @@ packages:
     resolution: {integrity: sha512-FlS4ZWlp97iiNWig0Muq8p+3rVDjRiYE+YKGbAqXOu9nwJFFOdL00kFpz42M+4huzYi86vAK1sOOfyOG45muIQ==}
     engines: {node: '>=14'}
 
+  '@testing-library/jest-dom@6.6.3':
+    resolution: {integrity: sha512-IteBhl4XqYNkM54f4ejhLRJiZNqcSCoXUOG2CPK7qbD322KjQozM4kHQOfkG2oln9b9HTYqs+Sae8vBATubxxA==}
+    engines: {node: '>=14', npm: '>=6', yarn: '>=1'}
+
   '@testing-library/svelte@5.1.0':
     resolution: {integrity: sha512-8GW+rBR72U7Qql0Glxl4CtVTr6GPotYf/MB7MamIH6ZpV45i7IJIOm3oHWH4Wr6ZULdUs37F9recegQygLbC0g==}
     engines: {node: '>= 10'}
@@ -1549,6 +1553,10 @@ packages:
     resolution: {integrity: sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==}
     engines: {node: '>=4'}
 
+  chalk@3.0.0:
+    resolution: {integrity: sha512-4D3B6Wf41KOYRFdszmDqMCGq5VV/uMAB273JILmO+3jAlh8X4qDtdtgCR3fxtbLEMzSx22QdhnDcJvu2u1fVwg==}
+    engines: {node: '>=8'}
+
   chalk@4.1.2:
     resolution: {integrity: sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA==}
     engines: {node: '>=10'}
@@ -1639,6 +1647,9 @@ packages:
     resolution: {integrity: sha512-6Fv1DV/TYw//QF5IzQdqsNDjx/wc8TrMBZsqjL9eW01tWb7R7k/mq+/VXfJCl7SoD5emsJop9cOByJZfs8hYIw==}
     engines: {node: ^10 || ^12.20.0 || ^14.13.0 || >=15.0.0}
 
+  css.escape@1.5.1:
+    resolution: {integrity: sha512-YUifsXXuknHlUsmlgyY0PKzgPOr7/FjCePfHNt0jxm83wHZi44VDMQ7/fGNkjY3/jV1MC+1CmZbaHzugyeRtpg==}
+
   cssesc@3.0.0:
     resolution: {integrity: sha512-/Tb/JcjK111nNScGob5MNtsntNM1aCNUDipB/TkwZFhyDrrE47SOx/18wF2bbjgc3ZzCSKW1T5nt5EbFoAz/Vg==}
     engines: {node: '>=4'}
@@ -4928,6 +4939,11 @@ snapshots:
       escape-string-regexp: 1.0.5
       supports-color: 5.5.0
 
+  chalk@3.0.0:
+    dependencies:
+      ansi-styles: 4.3.0
+      supports-color: 7.2.0
+
   chalk@4.1.2:
     dependencies:
       ansi-styles: 4.3.0
@@ -5028,6 +5044,8 @@ snapshots:
       mdn-data: 2.0.30
       source-map-js: 1.2.1
 
+  css.escape@1.5.1: {}
+
   cssesc@3.0.0: {}
 
   cssstyle@4.1.0: