Install libnunit-util2.6.3-cil by entering the following commands in the terminal:
sudo apt update sudo apt install libnunit-util2.6.3-cil
Description:
Unit test framework for CLI - Assemblies
NUnit is a unit testing framework for all .NET languages. It serves the same purpose as JUnit does in the Java world. It supports test categories, testing for exceptions and writing test results in plain text or XML. . This package contains the nunit.util assembly
Homepage: http://www.nunit.org/
Version: 2.6.4+dfsg-1
Section: universe/cli-mono