fix core tests

core/racing/application/use-cases/ApproveLeagueJoinRequestUseCase.test.ts

@@ -44,16 +44,22 @@ describe('ApproveLeagueJoinRequestUseCase', () => {
     expect(result.isOk()).toBe(true);
     expect(result.unwrap()).toBeUndefined();
     expect(mockLeagueMembershipRepo.removeJoinRequest).toHaveBeenCalledWith(requestId);
-    expect(mockLeagueMembershipRepo.saveMembership).toHaveBeenCalledWith(
-      expect.objectContaining({
-        id: expect.any(String),
-        leagueId: expect.objectContaining({ toString: expect.any(Function) }),
-        driverId: expect.objectContaining({ toString: expect.any(Function) }),
-        role: expect.objectContaining({ toString: expect.any(Function) }),
-        status: expect.objectContaining({ toString: expect.any(Function) }),
-        joinedAt: expect.any(Date),
-      })
-    );
+    expect(mockLeagueMembershipRepo.saveMembership).toHaveBeenCalledTimes(1);
+    const savedMembership = (mockLeagueMembershipRepo.saveMembership as Mock).mock.calls[0]?.[0] as unknown as {
+      id: string;
+      leagueId: { toString(): string };
+      driverId: { toString(): string };
+      role: { toString(): string };
+      status: { toString(): string };
+      joinedAt: { toDate(): Date };
+    };
+
+    expect(savedMembership.id).toEqual(expect.any(String));
+    expect(savedMembership.leagueId.toString()).toBe('league-1');
+    expect(savedMembership.driverId.toString()).toBe('driver-1');
+    expect(savedMembership.role.toString()).toBe('member');
+    expect(savedMembership.status.toString()).toBe('active');
+    expect(savedMembership.joinedAt.toDate()).toBeInstanceOf(Date);
     expect(output.present).toHaveBeenCalledWith({ success: true, message: 'Join request approved.' });
   });