diff --git a/test/cask/cli/doctor_test.rb b/test/cask/cli/doctor_test.rb
index 26719d6b4a..e193edc7b0 100644
--- a/test/cask/cli/doctor_test.rb
+++ b/test/cask/cli/doctor_test.rb
@@ -1,8 +1,6 @@
 require 'test_helper'
 require 'cask/version'
 
-HOMEBREW_BREW_FILE = '/usr/local/bin/brew'
-
 describe Cask::CLI::Doctor do
   it 'displays some nice info about the environment' do
     out, err = capture_io do
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 8ed5f3f22a..26389a38b0 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -1,6 +1,9 @@
 require 'bundler'
 require 'bundler/setup'
 
+# set some Homebrew constants used in our code
+HOMEBREW_TAP_FORMULA_REGEX = %r{^(\w+)/(\w+)/([^/]+)$}
+HOMEBREW_BREW_FILE = '/usr/local/bin/brew'
 
 # add cask lib to load path
 brew_cask_path = Pathname.new(File.expand_path(__FILE__+'/../../'))