Require `spec_helper` globally.

Library/Homebrew/cask/.rspec

Library/Homebrew/cask/cmd/brew-cask-tests.rb

Library/Homebrew/cask/spec/cask/artifact/binary_spec.rb

Library/Homebrew/cask/spec/cask/audit_spec.rb

Library/Homebrew/cask/spec/cask/cask_spec.rb

Library/Homebrew/cask/spec/cask/cli/cleanup_spec.rb

Library/Homebrew/cask/spec/cask/cli/doctor_spec.rb

Library/Homebrew/cask/spec/cask/cli/style_spec.rb

Library/Homebrew/cask/spec/cask/cli_spec.rb

Library/Homebrew/cask/spec/cask/download_strategy_spec.rb

Library/Homebrew/cask/spec/cask/dsl/version_spec.rb

Library/Homebrew/cask/spec/cask/macos_spec.rb

Library/Homebrew/cask/spec/cask/scopes_spec.rb

...ary/Homebrew/cask/spec/cask/system_command_result_spec.rb

Library/Homebrew/cask/spec/cask/system_command_spec.rb

...Homebrew/cask/spec/cask/underscore_supporting_uri_spec.rb

Library/Homebrew/cask/spec/cask/verify/checksum_spec.rb

Library/Homebrew/cask/spec/cask/verify_spec.rb

Library/Homebrew/cask/spec/formatter_spec.rb

Library/Homebrew/cask/spec/locale_spec.rb