Writing tests is a significant part of the development process in Ruby community.
The test suite’s run time increases as our application evolves. We don’t care until we found ourselves wasting time waiting for the green light.
I want to show you how to profile tests and make them run faster
SpecProfiling (RubyProf, StackProf): https://gist.github.com/palkan/73395cc201a565ecd3ff61aac44ad5ae
Flame graphs: http://www.brendangregg.com/flamegraphs.html
Rubocop RSpec/AggregateFailures: https://gist.github.com/palkan/ac4eb92f08d0b33f41a9330445e76fbd