Fix: local storage expected length

src/modules/login/store.spec.ts

@@ -35,7 +35,7 @@ describe("Login Store", () => {
     localStorage.setItem("coscine.login.storedData", "");
     localStorage.setItem("coscine.sidebar.active", "true");
     localStorage.setItem("coscine.banner.dateString", "");
-    expect(localStorage.length).toBe(8);
+    expect(localStorage.length).toBe(7);
 
     loginStore.logout();