fix: 요구 사항에 맞게 멤버 티켓 검증 수정

ticket/src/main/java/com/aengdulab/ticket/repository/MemberTicketRepository.java

@@ -2,12 +2,11 @@
 
 import com.aengdulab.ticket.domain.Member;
 import com.aengdulab.ticket.domain.MemberTicket;
-import com.aengdulab.ticket.domain.Ticket;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
 @Repository
 public interface MemberTicketRepository extends JpaRepository<MemberTicket, Long> {
 
-    int countByMemberAndTicket(Member member, Ticket ticket);
+    int countByMember(Member member);
 }

ticket/src/main/java/com/aengdulab/ticket/service/MemberTicketService.java

@@ -42,7 +42,7 @@ private void validateIssuable(Member member, Ticket ticket) {
         if (!ticket.issuable()) {
             throw new IllegalArgumentException("티켓 재고가 소진되었습니다.");
         }
-        int issuedMemberTicketCount = memberTicketRepository.countByMemberAndTicket(member, ticket);
+        int issuedMemberTicketCount = memberTicketRepository.countByMember(member);
         if (issuedMemberTicketCount >= MemberTicket.MEMBER_TICKET_COUNT_MAX) {
             throw new IllegalArgumentException("계정당 구매할 수 있는 티켓 수량을 넘었습니다.");
         }

ticket/src/test/java/com/aengdulab/ticket/service/MemberTicketServiceConcurrencyTest.java

@@ -67,7 +67,7 @@ void setUp() {
         latch.await();
 
         for (Member member : members) {
-            long issuedTicketCount = memberTicketRepository.countByMemberAndTicket(member, ticket);
+            long issuedTicketCount = memberTicketRepository.countByMember(member);
             assertThat(issuedTicketCount).isEqualTo(MemberTicket.MEMBER_TICKET_COUNT_MAX);
         }