MSpec provides a Resharper plugin integrate with the ReSharper test runner, custom naming rules, and code annotations. MSpec currently supports ReSharper (2017.2.2 to 8.2) over the extension gallery. Just search for Machine.Specifications.Runner.Resharper.

1. Follow the instructions for deploying a ReSharper package locally here
2. Set the startup project to Machine.Specifications.ReSharperRunner.Debug.VS
3. Build the project and take note of the warnings "No installed product MyProductName"
4. Modify the provider and runner .csproj files to replace MyProductName with the product name that matches your experimental ReSharper instance (eg. ReSharperPlatformVs15_abc123mspec).
5. Run and debug from Visual Studio