XUnit Courses

Automation framework development with Selenium C# (Advanced)
Udemy

Test Driven Development in C#
Pluralsight

Mocking with Moq and xUnit
Pluralsight

Testing .NET Code in Visual Studio 2019
Pluralsight

Advanced ASP.NET Core: Unit Testing
LinkedIn Learning

Programming Foundations: Test-Driven Development
LinkedIn Learning

Visual Studio Essential Training: 09 Unit Tests
LinkedIn Learning

Advanced C# - Learn from Open Source|Create Project List<T>
Udemy