public void TwoInstances_SameIdInput_AreEqual()
 {
     const int identityId = 13251235;
     var sut1 = new PrimaryKeyBase { Id = identityId };
     var sut2 = new PrimaryKeyBase { Id = identityId };
     Assert.AreEqual(sut1, sut2);
 }
 public void ToStringMethod_IdInput_ReturnsConcatPropertyDescription()
 {
     var sut = new PrimaryKeyBase {Id = 12351235};
     const string expected = "[type:PrimaryKeyBase] Id=12351235 Properties:none";
     Assert.AreEqual(expected, sut.ToString());
 }