dev 병합 code check 수정

backend/internal/handler/dev_handler_isolation_test.go

@@ -92,6 +92,14 @@ func TestDevHandler_Isolation(t *testing.T) {
 
 		// Explicit permission for private client check bypass
 		mockKeto.On("CheckPermission", mock.Anything, "User:user-a", "System", "global", "manage_all").Return(true, nil).Once()
+		mockKeto.On(
+			"ListRelations",
+			mock.Anything,
+			"RelyingParty",
+			mock.Anything,
+			mock.Anything,
+			mock.Anything,
+		).Return([]service.RelationTuple{}, nil).Maybe()
 
 		req := httptest.NewRequest(http.MethodGet, "/api/v1/dev/clients", nil)
 		resp, _ := app.Test(req, -1)