diff --git a/src/web/src/tests/features/auth/LoginPage.test.tsx b/src/web/src/tests/features/auth/LoginPage.test.tsx
index 2fb345e..8be4e3d 100644
--- a/src/web/src/tests/features/auth/LoginPage.test.tsx
+++ b/src/web/src/tests/features/auth/LoginPage.test.tsx
@@ -37,7 +37,8 @@ const server = setupServer(
 beforeAll(() => server.listen({ onUnhandledRequest: 'error' }))
 afterEach(() => {
   server.resetHandlers()
-  useAuthStore.getState().logout()
+  // Use clearAuth (sync) to avoid triggering API logout call in tests
+  useAuthStore.getState().clearAuth()
   localStorage.clear()
   mockNavigate.mockClear()
 })
@@ -114,4 +115,28 @@ describe('LoginPage', () => {
       expect(state.user?.username).toBe('admin')
     })
   })
+
+  it('setAuth receives expiresIn and store calculates expiresAt correctly', async () => {
+    const before = Date.now()
+    const user = userEvent.setup()
+    renderLoginPage()
+
+    await user.type(screen.getByLabelText(/usuario/i), 'admin')
+    await user.type(screen.getByLabelText(/contraseña/i), '@Diego550@')
+    await user.click(screen.getByRole('button', { name: /ingresar/i }))
+
+    await waitFor(() => {
+      const state = useAuthStore.getState()
+      const after = Date.now()
+
+      // refreshToken should be persisted
+      expect(state.refreshToken).toBe(mockLoginResponse.refreshToken)
+
+      // expiresAt should be computed as Date.now() + expiresIn * 1000
+      // Allow a 2s window for test execution
+      expect(state.expiresAt).not.toBeNull()
+      expect(state.expiresAt!).toBeGreaterThanOrEqual(before + mockLoginResponse.expiresIn * 1000)
+      expect(state.expiresAt!).toBeLessThanOrEqual(after + mockLoginResponse.expiresIn * 1000)
+    })
+  })
 })