feat: review tests

src/components/Challenge/ChallengeCardUnlocked.spec.tsx

src/components/Connection/ConnectionResult.tsx

src/components/Duel/DuelOngoing.spec.tsx

src/components/Duel/DuelOngoing.tsx

src/components/Duel/DuelUnlocked.spec.tsx

src/components/Header/CozyBar.spec.tsx

src/components/Header/Header.spec.tsx

src/components/Navbar/Navbar.spec.tsx

src/components/Options/ReportOptions.spec.tsx

src/components/Routes/Routes.tsx

src/components/Splash/SplashRoot.tsx