How to run all tests in Visual Studio Code

There is a much easier way to run all tests:

1. Install the .NET Core Test Explorer extension
2. Open a .NET Core test project in VS Code, or set dotnet-test-explorer.testProjectPath to the folder path of .NET Core test project in settings.json
3. In .NET Test Explorer of Explorer view, all the tests will be automatically detected, and you are able to run all tests or a certain test