Fix tests.

Library/Homebrew/cask/audit.rb

Library/Homebrew/test/cask/audit_spec.rb

Library/Homebrew/test/cask/cmd/cat_spec.rb

Library/Homebrew/test/cask/dsl_spec.rb

...ry/Homebrew/test/support/fixtures/cask/Casks/adobe-air.rb

...rew/test/support/fixtures/cask/Casks/adobe-illustrator.rb

...y/Homebrew/test/support/fixtures/cask/Casks/basic-cask.rb

...mebrew/test/support/fixtures/cask/Casks/no-dsl-version.rb

...Homebrew/test/support/fixtures/third-party/Casks/pharo.rb