public void GetContentByGroupId_SendId_ReceiveSpecificContentText(int id, string expectedContent)
{
//Arrange-->Setup()
//Act
contentRepo.Setup(cr => cr.GetContentByGroupId(id)).Returns(listContent.Where(x => x.GroupsId == id));
var res = (contentController.GetByGroupId(id) as OkObjectResult).Value as IEnumerable <Content>;
//Assert
Assert.IsNotNull(res);
Assert.AreEqual(res.First().ContentText, expectedContent);
}
