11.
Which assertion method is commonly used in Test::Unit for testing equality of values?

12.
What is the purpose of a matcher in RSpec?

14.
What is the purpose of the let keyword in RSpec?

15.
What is the purpose of a step definition in Cucumber testing?

16.
What is the purpose of a fixture in Ruby testing?

18.
What is the purpose of a scenario outline in Cucumber testing?

19.
Which method is commonly used to assert that a certain exception is raised in RSpec?

20.
What is the purpose of a cucumber tag in Cucumber testing?