public void Add_Duplicate_Isin_Returns_BadRequest()
{
// Arrange
var company1 = repository.GetById(1);
var company = new Company()
{
Name = "4", Exchange = "4", Ticker = "4", Isin = company1.Isin
};
// Act
var response = controller.Add(company) as BadRequestResult;
// Assert
Assert.IsType <BadRequestResult>(response);
}