Naming section needs improvement

The sentence "Naming standards are important because they explicitly express the intent of the test." is unclear. Standards do not express the intent of the test. Test names express intended SUT behavior (not test behavior) and therefore act as a specification document for the SUT. The intent of the test is to verify the intended SUT behavior as expressed by the test's name.

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#### Document Details

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* ID: 51947dc8-9ae8-21fa-13db-a7ffb3f9bc0e
* Version Independent ID: be661bf5-6f6e-cd18-344b-253edf5751ae
* Content: [Best practices for writing unit tests - .NET](https://learn.microsoft.com/en-us/dotnet/core/testing/unit-testing-best-practices)
* Content Source: [docs/core/testing/unit-testing-best-practices.md](https://github.com/dotnet/docs/blob/main/docs/core/testing/unit-testing-best-practices.md)
* Product: **dotnet-fundamentals**
* GitHub Login: @jpreese
* Microsoft Alias: **wiwagn**