diff --git a/tests/components/notes/NoteCreateContainer.test.tsx b/tests/components/notes/NoteCreateContainer.test.tsx
index b6c9f0d..f8d5743 100644
--- a/tests/components/notes/NoteCreateContainer.test.tsx
+++ b/tests/components/notes/NoteCreateContainer.test.tsx
@@ -8,6 +8,7 @@ import {
 } from "@/hooks/queries/notes";
 import NoteCreateContainer from "@/app/(protected)/notes/_components/NoteCreateContainer";
 import { renderWithQueryClient } from "tests/test-utils";
+import { localStorageMock } from "tests/mocks/localStorageMock";
 
 const replaceMock = jest.fn();
 
@@ -19,22 +20,6 @@ jest.mock("@/lib/toast");
 jest.mock("@/hooks/queries/todos");
 jest.mock("@/hooks/queries/notes");
 
-const localStorageMock = (() => {
-  let store: Record<string, string> = {};
-  return {
-    getItem: (key: string) => store[key] || null,
-    setItem: (key: string, value: string) => {
-      store[key] = value;
-    },
-    removeItem: (key: string) => {
-      delete store[key];
-    },
-    clear: () => {
-      store = {};
-    },
-  };
-})();
-
 Object.defineProperty(window, "localStorage", {
   value: localStorageMock,
 });
@@ -114,7 +99,7 @@ describe("NoteCreateContainer", () => {
       expect(titleInput).toHaveValue("첫 번째 노트");
     });
 
-    it("링크 버튼 클릭 시 메타데이터 fetch가 호출된다", async () => {
+    it("링크 입력 시 입력한 URL로 메타데이터 fetch가 호출된다", async () => {
       const user = userEvent.setup();
       const { mockLinkMetadataMutation } = setup();
 
diff --git a/tests/components/notes/NoteEditContainer.test.tsx b/tests/components/notes/NoteEditContainer.test.tsx
index 708cd61..94e094b 100644
--- a/tests/components/notes/NoteEditContainer.test.tsx
+++ b/tests/components/notes/NoteEditContainer.test.tsx
@@ -8,6 +8,7 @@ import {
 } from "@/hooks/queries/notes";
 import NoteEditContainer from "@/app/(protected)/notes/_components/NoteEditContainer";
 import { renderWithQueryClient } from "tests/test-utils";
+import { localStorageMock } from "tests/mocks/localStorageMock";
 
 const replaceMock = jest.fn();
 
@@ -18,22 +19,6 @@ jest.mock("next/navigation", () => ({
 jest.mock("@/lib/toast");
 jest.mock("@/hooks/queries/notes");
 
-const localStorageMock = (() => {
-  let store: Record<string, string> = {};
-  return {
-    getItem: (key: string) => store[key] || null,
-    setItem: (key: string, value: string) => {
-      store[key] = value;
-    },
-    removeItem: (key: string) => {
-      delete store[key];
-    },
-    clear: () => {
-      store = {};
-    },
-  };
-})();
-
 Object.defineProperty(window, "localStorage", {
   value: localStorageMock,
 });
diff --git a/tests/mocks/localStorageMock.ts b/tests/mocks/localStorageMock.ts
new file mode 100644
index 0000000..c8e0dc4
--- /dev/null
+++ b/tests/mocks/localStorageMock.ts
@@ -0,0 +1,15 @@
+export const localStorageMock = (() => {
+  let store: Record<string, string> = {};
+  return {
+    getItem: (key: string) => store[key] || null,
+    setItem: (key: string, value: string) => {
+      store[key] = value;
+    },
+    removeItem: (key: string) => {
+      delete store[key];
+    },
+    clear: () => {
+      store = {};
+    },
+  };
+})();