<PackageReference Include="NUnit" Version="3.0.0-rc" />

CultureAttribute

public class CultureAttribute : IncludeExcludeAttribute, IApplyToTest
CultureAttribute is used to mark a test fixture or an individual method as applying to a particular Culture only.
public CultureAttribute()

Constructor with no cultures specified, for use with named property syntax.

public CultureAttribute(string cultures)

Constructor taking one or more cultures

public void ApplyToTest(Test test)

Causes a test to be skipped if this CultureAttribute is not satisfied.

public bool IsCultureSupported(string culture)

Test to determine if the a particular culture or comma- delimited set of cultures is in use.

public bool IsCultureSupported(string[] cultures)

Test to determine if one of a collection of cultures is being used currently.