brew-test-bot: audit after installation.

Enables new post-installation Cellar audit failures.

Closes Homebrew#21242.

Library/Contributions/cmd/brew-test-bot.rb

@@ -253,15 +253,17 @@ def formula formula
  return
  end
 
- test "brew audit #{formula}"
  test "brew fetch #{dependencies}" unless dependencies.empty?
  test "brew fetch --force --build-bottle #{formula}"
  test "brew uninstall --force #{formula}" if formula_object.installed?
  test "brew install --verbose --build-bottle #{formula}"
- return unless steps.last.passed?
- bottle_step = test "brew bottle #{formula}", :puts_output_on_success => true
+ install_passed = steps.last.passed?
+ test "brew audit #{formula}"
+ return unless install_passed
+ test "brew bottle #{formula}", :puts_output_on_success => true
  bottle_revision = bottle_new_revision(formula_object)
  bottle_filename = bottle_filename(formula_object, bottle_revision)
+ bottle_step = steps.last
  if bottle_step.passed? and bottle_step.has_output?
  bottle_base = bottle_filename.gsub(bottle_suffix(bottle_revision), '')
  bottle_output = bottle_step.output.gsub /.*(bottle do.*end)/m, '\1'