public void Get_Successfully() { var factory = new DeserializerFactory(); IDeserializer deserializer = factory.Get(); using var reader = new StringReader(@" testList: - item1 - item2 "); var actual = deserializer.Deserialize <StubForDeserializer>(reader); Assert.NotNull(actual.TestList); Assert.Equal(2, actual.TestList.Count); Assert.Equal("item1", actual.TestList[0]); Assert.Equal("item2", actual.TestList[1]); }