Appeals — Certiorari — Discovery orders — Insurer failed to demonstrate that trial court departed from essential requirements of law by allowing insured to take deposition of insurer’s representative after insurer had filed a confession of judgment acknowledging that insured was entitled to coverage for personal injury protection benefits and coverage for any property damage claims against him — Confession of judgment did not end case, as issue of damages remained to be adjudicated — Fact that deposition of insurer’s agent could potentially lack relevancy on outstanding damages issue is not basis for certiorari relief