[WIP] simulate 2 examples grouped, 1 example from the same test file

[ArturT]

Do not merge this.

This is only for testing purpose to test locally with script https://github.com/KnapsackPro/rails-app-with-knapsack_pro/blob/master/bin/knapsack_pro_queue_rspec_split_by_test_examples in repo https://github.com/KnapsackPro/rails-app-with-knapsack_pro