Add tests for extension methods

[eNeRGy164]

• Add tests for coverage
• Improve methods

[github-actions[bot]]

Package	Line Rate	Branch Rate	Complexity	Health
LivingDocumentation.Abstractions	100%	100%	6	✔
LivingDocumentation.Analyzer	56%	54%	258	➖
LivingDocumentation.Descriptions	91%	89%	257	✔
LivingDocumentation.Extensions	100%	100%	22	✔
LivingDocumentation.Json	100%	75%	14	✔
LivingDocumentation.RenderExtensions	56%	72%	120	➖
LivingDocumentation.Statements	100%	100%	16	✔
Summary	71% (609 / 853)	70% (383 / 546)	693	➖

[coveralls]

Pull Request Test Coverage Report for Build 1842041071

• 10 of 10 (100.0%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+1.2%) to 70.908%

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Totals
Change from base Build 1836914128:	1.2%
Covered Lines:	609
Relevant Lines:	853

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💛 - Coveralls