<PackageReference Include="NUnit" Version="4.2.2" />

NUnit.Framework.Constraints.CollectionSubsetConstraint

CollectionSubsetConstraint is used to determine whether one collection is a subset of another
namespace NUnit.Framework.Constraints { public class CollectionSubsetConstraint : CollectionItemsEqualConstraint { public CollectionSubsetConstraint(IEnumerable expected); public CollectionSubsetConstraint Using<[System.Runtime.CompilerServices.Nullable(2)] TSubsetElement, [System.Runtime.CompilerServices.Nullable(2)] TSupersetElement>(Func<TSubsetElement, TSupersetElement, bool> comparison); } }