1) Error :
System.ArgumentException : The net-4.7.2 framework is not available.
Available frameworks: mono-4.0
--ArgumentException
The net-4.7.2 framework is not available.
Available frameworks: mono-4.0
at NUnit.Engine.Services.TestAgency.GetAgent (NUnit.Engine.TestPackage package) [0x0008e] in <83a050af71a545d186bc8c62a15c3005>:0
at NUnit.Engine.Runners.ProcessRunner.CreateAgentAndRunnerIfNeeded () [0x0003d] in <83a050af71a545d186bc8c62a15c3005>:0
at NUnit.Engine.Runners.ProcessRunner.RunTests (NUnit.Engine.ITestEventListener listener, NUnit.Engine.TestFilter filter) [0x0001f] in <83a050af71a545d186bc8c62a15c3005>:0
The tests fail with: