- create solution (sln)
dotnet new sln
- create your project
dotnet new classlib
- add your project to sln
dotnet sln add PrimeService/PrimeService.csproj
- create your project test (with NUnit)
dotnet new nunit
- reference your project in tests project (run command in tests project)
dotnet add reference ../PrimeService/PrimeService.csproj
- add your tests project to sln
dotnet sln add ./PrimeService.Tests/PrimeService.Tests.csproj