public void CompanyAdd_Successful()
{
const string newCompanyName = "New Company";
// 1. Pre-checks
int count = StaticData.Companies.Count();
Assert.IsFalse(StaticData.Companies.Any(i => i.Name == newCompanyName), Messages.Settings.ShouldNotExist);
// 2. Perform the insert
var result = controller.CompanyAdd(newCompanyName);
IsPartial(result);
// 3. Ensure changes are done
Assert.AreEqual(StaticData.Companies.Count(), count + 1, Messages.Settings.CountShouldBeOneMore);
Assert.IsTrue(StaticData.Companies.Any(i => i.Name == newCompanyName), Messages.Settings.ShouldExist);
}