public void UpdateExistingContent_ShouldReturnTrue()
{
//Arrange
StreamingContent_Repo repo = new StreamingContent_Repo();
StreamingContent oldContent = new StreamingContent("Toy Story", "toys come to life", 10,
Genre.Action, MaturityRating.PG);
StreamingContent newContent = new StreamingContent("Toy Story", "toys come to life", 8,
Genre.Drama, MaturityRating.PG);
repo.AddContentToDirectory(newContent);
//Act
bool updateResult = repo.UpdateExisitingContent(oldContent.Title, newContent);
//Assert
Assert.IsTrue(updateResult);
}