t.Fatalf("Failed to drop table, got error %v", err)
	}

	if err := DB.AutoMigrate(allModels...); err != nil {
		t.Fatalf("Failed to auto migrate, got error %v", err)
	}

	if tables, err := DB.Migrator().GetTables(); err != nil {
		t.Fatalf("Failed to get database all tables, but got error %v", err)
	} else {
		for _, t1 := range []string{"users", "accounts", "pets", "companies", "toys", "languages", "tools"} {
			hasTable := false

			// values
			bugLogIf(GlobalContext, err)
			continue
		}

		h := dtoMetric.GetHistogram()
		for _, b := range h.Bucket {
			labels := make(map[string]string)
			for _, lp := range dtoMetric.GetLabel() {
				if *lp.Name == "api" && toLowerAPILabels {
					labels[*lp.Name] = strings.ToLower(*lp.Value)
				} else {
					labels[*lp.Name] = *lp.Value
				}
			}