<PackageReference Include="NUnit" Version="3.6.1" />

ITestCaseData

public interface ITestCaseData : ITestData
The ITestCaseData interface is implemented by a class that is able to return complete testcases for use by a parameterized test method.
namespace NUnit.Framework.Interfaces { public interface ITestCaseData : ITestData { object ExpectedResult { get; } bool HasExpectedResult { get; } } }