devfront 테스트 커버리지 추가 보강

devfront/src/features/auth/authApi.test.ts

@@ -0,0 +1,19 @@
+import { describe, expect, it, vi } from "vitest";
+import { fetchMe } from "./authApi";
+
+const getMock = vi.fn();
+
+vi.mock("../../lib/apiClient", () => ({
+  default: {
+    get: (...args: unknown[]) => getMock(...args),
+  },
+}));
+
+describe("fetchMe", () => {
+  it("returns the response payload from the API client", async () => {
+    getMock.mockResolvedValueOnce({ data: { id: "user-1", name: "Dev" } });
+
+    await expect(fetchMe()).resolves.toEqual({ id: "user-1", name: "Dev" });
+    expect(getMock).toHaveBeenCalledWith("/user/me");
+  });
+});