diff --git a/package.json b/package.json
index e965b2c..d022316 100644
--- a/package.json
+++ b/package.json
@@ -45,6 +45,7 @@
         "@typescript-eslint/eslint-plugin": "^5.59.7",
         "@typescript-eslint/parser": "^5.59.7",
         "@vitest/browser": "^0.31.3",
+        "@vitest/utils": "^0.31.3",
         "eslint": "^8.41.0",
         "eslint-config-prettier": "^8.8.0",
         "eslint-plugin-prettier": "^4.2.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 329f95a..44e0755 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -56,6 +56,9 @@ devDependencies:
   '@vitest/browser':
     specifier: ^0.31.3
     version: 0.31.3(rollup@2.79.1)(vitest@0.31.1)
+  '@vitest/utils':
+    specifier: ^0.31.3
+    version: 0.31.3
   eslint:
     specifier: ^8.41.0
     version: 8.41.0
@@ -4457,6 +4460,14 @@ packages:
       pretty-format: 27.5.1
     dev: true
 
+  /@vitest/utils@0.31.3:
+    resolution: {integrity: sha512-aLxfilR38ARSw6U/E9hl5bkn2TNeWLK7rZaIWZQUpT6BBilbehwJbSVGENubW5Pb9cawqchZZ7IQMW99t0Ww3A==}
+    dependencies:
+      concordance: 5.0.4
+      loupe: 2.3.6
+      pretty-format: 27.5.1
+    dev: true
+
   /@yarnpkg/esbuild-plugin-pnp@3.0.0-rc.15(esbuild@0.17.19):
     resolution: {integrity: sha512-kYzDJO5CA9sy+on/s2aIW0411AklfCi8Ck/4QDivOqsMKpStZA2SsR+X27VTggGwpStWaLrjJcDcdDMowtG8MA==}
     engines: {node: '>=14.15.0'}