message: Enunciado opcional no body
diff: import { Test } from '../entity';
  import { ApiModelProperty } from '@nestjs/swagger';
  -import { IsNumber, IsString } from 'class-validator';
  +import { IsNumber, IsOptional, IsString } from 'class-validator';
  import { Expose } from 'class-transformer';
  export class TestDTO {
  @@ -15,6 +15,7 @@ export class TestDTO {
  title: Test['title'];
  @IsString()
  + @IsOptional()
  @Expose()
  @ApiModelProperty({ type: String })
  question: Test['question'];
  