[hw-5] concurrency, graceful shutdown, concurrent tests

loms/internal/domain/service/service_test.go

@@ -8,6 +8,7 @@ import (
 	"github.com/gojuno/minimock/v3"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
+	"go.uber.org/goleak"
 
 	"route256/loms/internal/domain/entity"
 	"route256/loms/internal/domain/model"
@@ -39,6 +40,10 @@ func (t *mockTxManager) ReadWithRepeatableRead(ctx context.Context, fn func(ctx
 	return fn(ctx)
 }
 
+func TestMain(m *testing.M) {
+	goleak.VerifyTestMain(m)
+}
+
 func TestLomsService_OrderCreate(t *testing.T) {
 	t.Parallel()