Install ruby-rspec-expectations by entering the following commands in the terminal:
sudo apt update sudo apt install ruby-rspec-expectations
Description:
Behaviour Driven Development framework for Ruby - expectations
RSpec is a Behaviour Driven Development framework for Ruby. It provides a framework for writing and executing examples of how your Ruby application should behave. . This package provides the handling of expectations (should/should_not and matchers).
Homepage: http://rspec.info/
Version: 3.7.0c1e0m0s1-1
Section: universe/ruby