public void It_Should_Be_Removed_From_The_Collection() { Assert.That(mappingSet.ComponentMappings.Contains(mapping), Is.True); mapping.Delete(); Assert.That(mappingSet.ComponentMappings.Contains(mapping), Is.False); Assert.That(mapping.MappingSet, Is.Null); Assert.That(mapping.FromTable, Is.Null); Assert.That(mapping.ToComponent, Is.Null); }