Top 20 NuGet test Packages

Test for the photo.exif package
Library comparing different versions of an api using reflection to ensure compatibility with third party components. NUnit integration.
Library comparing different versions of an api using reflection to ensure compatibility with third party components.
Simulate HTTP server interactions with pre-configured responses.
The scenarioo C# Writer Library helps you to produce user scenario documentations out of your UI tests, such that your project’s stakeholders can browse it through the Scenarioo webapplication. More information see http://www.scenarioo.org Details about using the scenarioo C# API see https://github....
An extension to the LightInject service container that enables dependency injection in xUnit test methods.
This is a simple class for spinning up an ASP.Net Web API self host. I use it regularly within my test code.
Extendable wrappers and abstractions over web servers (IIS, IISExpress or custom)
NuGet API wrappers simplifying nuget package management in websites at runtime
Tessler UI Testing Framework
A fakes framework for restsharp
Adapters that enable decoupling of existing System.Web components.
Maddir is a micro library which allows directory trees and files to be created using a simple markup syntax
Enables tests to general SQL databases using Fluent Migrator on the fly.
An extension of Kekiri to support SimpleInjector-aware ScenarioTests
Javascript test runner extensions
An image reporter to be used with ApprovalTests.Net
Extension to Spritely.Build that enables JavaScript unit testing via Mocha.