diff --git a/packages/time/src/tests/isValidDate.test.ts b/packages/time/src/tests/isValidDate.test.ts
index 57a3556..01afdc6 100644
--- a/packages/time/src/tests/isValidDate.test.ts
+++ b/packages/time/src/tests/isValidDate.test.ts
@@ -4,7 +4,7 @@ import {isValidDate} from '../utils/isValidDate';
 describe('isValidDate', () => {
   test('should return true for a valid date', () => {
     expect(isValidDate(new Date())).toBe(true);
-  });
+  })
 
   test('should return false for an invalid date', () => {
     expect(isValidDate(new Date("invalid"))).toBe(false);
@@ -13,4 +13,4 @@ describe('isValidDate', () => {
   test("should return false for null", () => {
     expect(isValidDate(null)).toBe(false);
   });
-});
\ No newline at end of file
+});
diff --git a/packages/time/test-setup.ts b/packages/time/test-setup.ts
new file mode 100644
index 0000000..a9d0dd3
--- /dev/null
+++ b/packages/time/test-setup.ts
@@ -0,0 +1 @@
+import '@testing-library/jest-dom/vitest'
diff --git a/packages/time/tsconfig.json b/packages/time/tsconfig.json
index f136835..6d4f905 100644
--- a/packages/time/tsconfig.json
+++ b/packages/time/tsconfig.json
@@ -3,5 +3,5 @@
   "compilerOptions": {
     "moduleResolution": "Bundler"
   },
-  "include": ["src/**/*.ts", "src/**/*.tsx", ".eslintrc.cjs", "vite.config.ts"]
+  "include": ["src/**/*.ts", "src/**/*.tsx", ".eslintrc.cjs", "vite.config.ts", "test-setup.ts"],
 }
diff --git a/packages/time/vite.config.ts b/packages/time/vite.config.ts
index a80956d..4c3ad5f 100644
--- a/packages/time/vite.config.ts
+++ b/packages/time/vite.config.ts
@@ -7,6 +7,7 @@ const config = defineConfig({
     dir: './src',
     watch: false,
     environment: 'jsdom',
+    setupFiles: ['./vitest-setup.js'],
     coverage: { enabled: true, provider: 'istanbul', include: ['src/**/*'] },
     typecheck: { enabled: true },
   },