$ docker-compose run --rm ruby bash -c 'bundle exec rake test'
Creating study_ruby_run ... done
["test/exercise/arrays/test.rb", "test/exercise/fp/test.rb", "test/exercise/fp2/test.rb", "test/exercise/rackup/test.rb"]
DEPRECATION WARNING: The factory_girl gem is deprecated. Please upgrade to factory_bot. See https://github.com/thoughtbot/factory_bot/blob/v4.9.0/UPGRADE_FROM_FACTORY_GIRL.md for further instructions. (called from require at /apps/study/test/test_helper.rb:2)
[Coveralls] Set up the SimpleCov formatter.
[Coveralls] Using SimpleCov's default settings.
Loaded suite /bundle_cache/ruby/2.7.0/gems/rake-13.0.1/lib/rake/rake_test_loader
Started
O
================================================================================================================================================================================
/apps/study/test/exercise/rackup/test.rb:36:in `test_it_handles_404'
Omission: omitted. [test_it_handles_404(RackTest)]
================================================================================================================================================================================
O
================================================================================================================================================================================
/apps/study/test/exercise/rackup/test.rb:18:in `test_it_pongs'
Omission: omitted. [test_it_pongs(RackTest)]
================================================================================================================================================================================
O
================================================================================================================================================================================
/apps/study/test/exercise/rackup/test.rb:27:in `test_it_says_bye'
Omission: omitted. [test_it_says_bye(RackTest)]
================================================================================================================================================================================
O
================================================================================================================================================================================
/apps/study/test/exercise/rackup/test.rb:9:in `test_it_says_hello_world'
Omission: omitted. [test_it_says_hello_world(RackTest)]
================================================================================================================================================================================

Finished in 0.00231079 seconds.
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
4 tests, 0 assertions, 0 failures, 0 errors, 0 pendings, 4 omissions, 0 notifications
0% passed
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
1731.01 tests/s, 0.00 assertions/s
[Coveralls] Outside the CI environment, not sending data.
Run options: --seed 19762

# Running:

SFSSSSSS

Finished in 0.002451s, 3264.3202 runs/s, 408.0400 assertions/s.

  1) Failure:
Exercise::ArraysTest#test_replace [/apps/study/test/exercise/arrays/test.rb:11]:
Expected false to be truthy.

8 runs, 1 assertions, 1 failures, 0 errors, 7 skips

You have skipped tests. Run with --verbose for details.
rake aborted!
Command failed with status (1)
/bundle_cache/ruby/2.7.0/gems/rake-13.0.1/exe/rake:27:in `<top (required)>'
/usr/local/bin/bundle:23:in `load'
/usr/local/bin/bundle:23:in `<main>'
Tasks: TOP => test
(See full trace by running task with --trace)
ERROR: 1