Top 20 NuGet Unit Testing Packages

Xamarin based mocking framework that really helps to isolate dependencies in your mobile unit tests.
The console command-line runner for Persimmon.
Create objects for testing purpose in a fluent and easy way.
Brings an AutoMockFeature which initializes AutoFixture with FakeItEasy.
AspNet Simulator For Controller Action Level Integration Test
Method Chaining base UnitTesting Extension Methods and Dynamic Private Accessor for xUnit.net.
BDD style testing framework to allow unit testing with automated mocking, dependency injection and minimum friction based on the NUnit testing library. We at Leaping Gorilla strive to remove as much friction as possible from our testing methodology. To that end we wanted a drop dead simple way to ...
Friendly Common Interfaces. You can access the target application using the interface defined by this.
*TestBase* gives you a flying start with - fluent assertions that are easy to extend - sharp error messages - tools to help you test with “heavyweight” dependencies on - AspNetCore.Mvc, AspNet.Mvc or WebApi Contexts - HttpClient - Ado.Net - Streams & Logging - Mix & match with your favouri...
Extension to XUnit that allows you to resolve test classes out of Autofac.
Configures SpecFlow to be able to easily use Selenium for WebTesting. Makes it possible to annotate a scenario with the browser it's supposed to work with. Contains SauceLabs IWebDriver implementation which has utility methods to update test status.
AutoTest.ArgumentNullException is an automated unit testing component to ensure methods with nullable parameters correctly throw an ArgumentNullException when they are supplied null parameters.
A .NET framework that supports writing low-ceremony BDD tests using Gherkin language.
The Visual Studio Testing Extensions is a library that exposes a set of extension methods to provide a way to write more readable unit tests in the Visual Studio Unit Testing environment. It is developed in C# 4.0 and requires the .NET 4.0 runtime.
Set of ruby scripts that help you do continuous testing in .Net (supports NSpec, MSTest and NUnit).
Testing Extensions
PNUnit provides a way to test applications composed of distributed, communicating components. It was developed by the folks at Codice Software for their internal use and contributed to NUnit. Note that pNUnit is not intended for running tests in parallel simply to make them run faster. It requires ...
Extends xUnit.Net with Behavior Driven Development style fixtures.
Bringing Jest-esque Snapshot testing to C# See Project Site for more details
Xunit + Entity Framework Core RoushTech Toolkit