Update Testing guidelines in Readme

Closes #173

README.md

@@ -60,19 +60,9 @@ Documentation for .NET CLI tools can be found here:
 
 https://docs.microsoft.com/en-us/dotnet/core/tools/
 
-
-## Batch Testing
-Use one of the following scripts to execute a batch test on all the projects.
-
-* /EssentialCSharp/RunTests.ps1 **(Windows)**
-* /EssentialCSharp/RunTests.sh **(Linux/Mac)**
-
-If running on Linux you may need to give the script execution permission.  From the /EssentialCSharp/ directory:
-```
-$ chmod +x ./RunTests.sh
-$ ./RunTests.sh
-```
+## Testing
+To run all the tests, run `dotnet test` on the command prompt in the EssentialCSharp solution directory on your local computer.
 
 ## Build Status
-[![Branch v8.0 - Windows - EssentialCSharp](https://github.com/IntelliTect/EssentialCSharp/actions/workflows/Branch%20v8.0%20-%20Windows.yml/badge.svg?branch=v8.0)](https://github.com/IntelliTect/EssentialCSharp/actions/workflows/Branch%20v8.0%20-%20Windows.yml)
+[![Branch v8.0 - Windows - EssentialCSharp](https://github.com/IntelliTect/EssentialCSharp/actions/workflows/Branch%20v8.0%20-%20Windows.yml/badge.svg?branch=v8.0)](https://github.com/IntelliTect/EssentialCSharp/actions/workflows/Branch%20v8.0%20-%20Windows.yml)<br>
 [![Branch v8.0 - Linux - EssentialCSharp](https://github.com/IntelliTect/EssentialCSharp/actions/workflows/Branch%20v8.0%20-%20Linux.yml/badge.svg?branch=v8.0)](https://github.com/IntelliTect/EssentialCSharp/actions/workflows/Branch%20v8.0%20-%20Linux.yml)