Entity framework core Update-database migration name มันไม่revert ให้ครับ

public partial class Add_Table_Test_Field : Migration
    {
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.AddColumn<string>(
                name: "Desc",
                table: "Tests",
                type: "nvarchar(MAX)",
                nullable: true);
        }

        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropColumn(
                name: "Desc",
                table: "Tests");
        }
    }