public void SimilarModifications_ElementsEquality() { var paragOne = new Paragraph(); var paragTwo = new Paragraph(); paragOne.Should().Be(paragTwo); paragOne.AddContent(new Emphasis().AddTextContent("test text content")); paragOne.Should().NotBe(paragTwo); paragTwo.AddContent(new Emphasis().AddTextContent("test text content")); paragOne.Should().Be(paragTwo); paragOne.AddAttribute(new Fb2Attribute(AttributeNames.Id, "testId")); paragOne.Should().NotBe(paragTwo); paragTwo.AddAttribute(new Fb2Attribute(AttributeNames.Id, "testId")); paragOne.Should().Be(paragTwo); }