public void IsImportAndExportStatesCombinationValid_SameCountryNotAllowed_ReturnsFalse() { // Arrange var export = new TestableStateOfExport { Country = unitedKingdomCountry, CompetentAuthority = firstUkCompetentAuthority }; var import = new TestableStateOfImport { Country = unitedKingdomCountry, CompetentAuthority = secondUkCompetentAuthority }; var validator = new TransportRouteValidation(allowedCombinations, unitedKingdomAuthorities); // Act bool result = validator.IsImportAndExportStatesCombinationValid(import, export); // Assert Assert.False(result); }