adds tagging to inquiry
Inheritance: IIdentifiable, IOwned
        public void Should_ReturnNormalResult_WhenRequstedSafeGetForInquiriesInTagEntityIfTagIsNotNull()
        {
            //arrange
            var tag = new Tag
                          {
                              Inquiries = new List<Inquiry>
                                              {
                                                  new Inquiry()
                                              }
                          };

            //act
            var result = tag.SafeGet(x => x.Inquiries);

            //assert
            result.Count().Should().Be(1);
        }