RAILS_ENV=test bundle exec rake snapshots:generate tasks fails with error:

TypeError: no implicit conversion of false into String
/home/lstejska/projects/foreman/lib/foreman/command_runner.rb:15:in `initialize'
/home/lstejska/projects/foreman/lib/foreman/command_runner.rb:15:in `new'
/home/lstejska/projects/foreman/lib/foreman/command_runner.rb:15:in `initialize'
/home/lstejska/projects/foreman/app/services/foreman/renderer/scope/macros/transpilers.rb:18:in `new'
/home/lstejska/projects/foreman/app/services/foreman/renderer/scope/macros/transpilers.rb:18:in `transpile_coreos_linux_config'
CoreOS provision:73:in `bind'
/home/lstejska/projects/foreman/app/services/foreman/renderer/safe_mode_renderer.rb:7:in `render'
/home/lstejska/projects/foreman/app/services/foreman/renderer/base_renderer.rb:18:in `render'
/home/lstejska/projects/foreman/app/services/foreman/renderer.rb:46:in `render'
/home/lstejska/projects/foreman/app/services/foreman/template_snapshot_service.rb:49:in `render_template'
/home/lstejska/projects/foreman/lib/tasks/snapshots.rake:48:in `block (6 levels) in <top (required)>'
/home/lstejska/projects/foreman/lib/tasks/snapshots.rake:43:in `each'
/home/lstejska/projects/foreman/lib/tasks/snapshots.rake:43:in `block (5 levels) in <top (required)>'
/home/lstejska/projects/foreman/lib/tasks/snapshots.rake:42:in `each'
/home/lstejska/projects/foreman/lib/tasks/snapshots.rake:42:in `block (4 levels) in <top (required)>'
/home/lstejska/projects/foreman/app/models/concerns/foreman/thread_session.rb:108:in `as'
/home/lstejska/projects/foreman/lib/tasks/snapshots.rake:41:in `block (3 levels) in <top (required)>'
/home/lstejska/projects/foreman/lib/tasks/snapshots.rake:33:in `block (2 levels) in <top (required)>'
/home/lstejska/.rbenv/versions/2.7.7/bin/bundle:23:in `load'
/home/lstejska/.rbenv/versions/2.7.7/bin/bundle:23:in `<main>'
Tasks: TOP => snapshots:generate