Fix inconsistencies between int and bool in db

backend/internal/database/db.go

@@ -12,6 +12,7 @@ import (
 	"gorm.io/driver/mysql"
 	"gorm.io/driver/postgres"
 	"gorm.io/gorm"
+	gormlogger "gorm.io/gorm/logger"
 	"gorm.io/gorm/schema"
 )
 
@@ -62,6 +63,7 @@ func connect() (*gorm.DB, error) {
 			NoLowerCase:   true,
 		},
 		PrepareStmt: false,
+		Logger:      gormlogger.Default.LogMode(gormlogger.Silent),
 	})
 }
 

backend/internal/entity/user/methods.go

@@ -83,7 +83,9 @@ func List(pageInfo model.PageInfo, filters []model.Filter, expand []string) (ent
 // DeleteAll will do just that, and should only be used for testing purposes.
 func DeleteAll() error {
 	db := database.GetDB()
-	result := db.Exec("DELETE FROM user")
+	// nolint errcheck
+	db.Exec("DELETE FROM auth")
+	result := db.Exec("DELETE FROM user WHERE is_system = ?", false)
 	return result.Error
 }