async getMovieDetailled(movie) {
    const movieDetailled = await getMovie(movie.imdb);
    return {
      ...movie,
      ...movieDetailled
    };
  }

  async getMoviesDetailled(movies) {
    return await Promise.all(
      movies.map(async movie => await this.getMovieDetailled(movie))
    );
  }

const moviesDetailled = await this.getMoviesDetailled(movies);