UsandoBogus.cs

var fake = new Faker();
_cursoDto = new CursoDto
{
    Nome = fake.Random.Words(),
    Descricao = fake.Lorem.Paragraph(),
    CargaHoraria = fake.Random.Double(50, 1000),
    PublicoAlvo = "Estudante",
    Valor = fake.Random.Double(1000, 2000)
};