retry_tests/spec_helper2.rb

spec_helper.rb

# spec_helper.rb
RSpec.configure do |config|
...
  # callback to be run between retries
  config.retry_callback = proc do |example|
    # marks this test as flaky so we can identify it even if it
    # passed at later retries
    example.metadata[:flaky] = true
  end
...
end