```
$ RAILS_STRICT_WARNINGS=1 bin/test \
  test/application/generators_test.rb \
  test/application/initializers/frameworks_test.rb \
  test/application/loading_test.rb \
  test/application/rake/tmp_test.rb \
  test/application/rake_test.rb

Run options: --seed 7309

.............................Test is missing assertions: `test_tmp:clear_should_work_if_folder_missing` /home/zzak/code/rails/railties/test/application/rake/tmp_test.rb:41
E

Error:
ApplicationTests::RakeTests::TmpTest#test_tmp:clear_should_work_if_folder_missing:
ActiveSupport::RaiseWarnings::WarningError: Test is missing assertions: `test_tmp:clear_should_work_if_folder_missing` /home/zzak/code/rails/railties/test/application/rake/tmp_test.rb:41

    /home/zzak/code/rails/activesupport/lib/active_support/testing/strict_warnings.rb:38:in `warn'

bin/test test/application/rake/tmp_test.rb:41

Test is missing assertions: `test_ARGV_is_populated` /home/zzak/code/rails/railties/test/application/generators_test.rb:180
E

Error:
ApplicationTests::GeneratorsTest#test_ARGV_is_populated:
ActiveSupport::RaiseWarnings::WarningError: Test is missing assertions: `test_ARGV_is_populated` /home/zzak/code/rails/railties/test/application/generators_test.rb:180

    /home/zzak/code/rails/activesupport/lib/active_support/testing/strict_warnings.rb:38:in `warn'

bin/test test/application/generators_test.rb:180

......Test is missing assertions: `test_can_boot_with_an_unhealthy_database` /home/zzak/code/rails/railties/test/application/initializers/frameworks_test.rb:219
E

Error:
ApplicationTests::FrameworksTest#test_can_boot_with_an_unhealthy_database:
ActiveSupport::RaiseWarnings::WarningError: Test is missing assertions: `test_can_boot_with_an_unhealthy_database` /home/zzak/code/rails/railties/test/application/initializers/frameworks_test.rb:219

    /home/zzak/code/rails/activesupport/lib/active_support/testing/strict_warnings.rb:38:in `warn'

bin/test test/application/initializers/frameworks_test.rb:219

...............................Test is missing assertions: `test_loading_only_yml_fixtures` /home/zzak/code/rails/railties/test/application/rake_test.rb:202
E

Error:
ApplicationTests::RakeTest#test_loading_only_yml_fixtures:
ActiveSupport::RaiseWarnings::WarningError: Test is missing assertions: `test_loading_only_yml_fixtures` /home/zzak/code/rails/railties/test/application/rake_test.rb:202

    /home/zzak/code/rails/activesupport/lib/active_support/testing/strict_warnings.rb:38:in `warn'

bin/test test/application/rake_test.rb:202

...Test is missing assertions: `test_models_without_table_do_not_panic_on_scope_definitions_when_loaded` /home/zzak/code/rails/railties/test/application/loading_test.rb:82
E

Error:
LoadingTest#test_models_without_table_do_not_panic_on_scope_definitions_when_loaded:
ActiveSupport::RaiseWarnings::WarningError: Test is missing assertions: `test_models_without_table_do_not_panic_on_scope_definitions_when_loaded` /home/zzak/code/rails/railties/test/application/loading_test.rb:82

    /home/zzak/code/rails/activesupport/lib/active_support/testing/strict_warnings.rb:38:in `warn'

bin/test test/application/loading_test.rb:82
```

This doesn't fail in CI because the warning is using a relative path:

```
Test is missing assertions: `test_tmp:clear_should_work_if_folder_missing` test/application/rake/tmp_test.rb:41
```

Ref: https://buildkite.com/rails/rails/builds/113871#01933e25-4b3c-47f9-9b74-ea4ac84c6ae2/1292-1298

This can be reproduced locally like so:

```
RAILS_STRICT_WARNINGS=true ruby -w -Itest -Ilib -I../activesupport/lib -I../actionpack/lib -I../actionview/lib -I../activemodel/lib test/application/rake/tmp_test.rb

/home/zzak/.rbenv/versions/3.3.6/lib/ruby/gems/3.3.0/gems/bundler-2.5.16/lib/bundler/rubygems_ext.rb:250: warning: method redefined; discarding old encode_with
/home/zzak/.rbenv/versions/3.3.6/lib/ruby/3.3.0/rubygems/dependency.rb:341: warning: previous definition of encode_with was here
Run options: --seed 35733

Test is missing assertions: `test_tmp:clear_should_work_if_folder_missing` /home/zzak/code/rails/railties/test/application/rake/tmp_test.rb:41
E.

Finished in 0.118110s, 16.9334 runs/s, 33.8668 assertions/s.

  1) Error:
ApplicationTests::RakeTests::TmpTest#test_tmp:clear_should_work_if_folder_missing:
ActiveSupport::RaiseWarnings::WarningError: Test is missing assertions: `test_tmp:clear_should_work_if_folder_missing` /home/zzak/code/rails/railties/test/application/rake/tmp_test.rb:41

    /home/zzak/code/rails/activesupport/lib/active_support/testing/strict_warnings.rb:38:in `warn'

2 runs, 4 assertions, 0 failures, 1 errors, 0 skips
```