public void SameObjectsTypeDifferentIdsEqualsReturnsFalse()
 {
     var tom = new Cat { Name = "Tom" };
     _felix.Should().Not.Be.EqualTo(tom);
 }
 public void SameObjectsTypeSameIdsEqualsReturnsFalse()
 {
     var tom = new Cat { Name = "Tom", Id = _felix .Id};
     _felix.Should().Be.EqualTo(tom);
 }
 public EntityTests()
 {
     _felix = new Cat { Name = "Felix"};
     _nemo = new Fish { Name = "Nemo" };
 }