add HOMEBREW_ENV_PATH internal variable

`Library/ENV` like `Library/Homebrew` is part of Homebrew basecode. It
should be able to be accessed during the `brew tests`.

By adding HOMEBREW_ENV_PATH variable, we allow test suit to locate these
codes.

2 files changed, 2 insertions, 1 deletions

diff --git a/Library/Homebrew/test/lib/config.rb b/Library/Homebrew/test/lib/config.rb
index cf9578544..f6e601d52 100644
--- a/Library/Homebrew/test/lib/config.rb
+++ b/Library/Homebrew/test/lib/config.rb
@@ -14,6 +14,7 @@ HOMEBREW_PREFIX        = Pathname.new(TEST_TMPDIR).join("prefix")
 HOMEBREW_REPOSITORY    = HOMEBREW_PREFIX
 HOMEBREW_LIBRARY       = HOMEBREW_REPOSITORY+"Library"
 HOMEBREW_LIBRARY_PATH  = Pathname.new(File.expand_path("../../..", __FILE__))
+HOMEBREW_ENV_PATH      = HOMEBREW_LIBRARY_PATH.parent+"ENV"
 HOMEBREW_LOAD_PATH     = [File.expand_path("..", __FILE__), HOMEBREW_LIBRARY_PATH].join(":")
 HOMEBREW_CACHE         = HOMEBREW_PREFIX.parent+"cache"
 HOMEBREW_CACHE_FORMULA = HOMEBREW_PREFIX.parent+"formula_cache"
diff --git a/Library/Homebrew/test/testing_env.rb b/Library/Homebrew/test/testing_env.rb
index d0c1d500d..8b76dee2c 100644
--- a/Library/Homebrew/test/testing_env.rb
+++ b/Library/Homebrew/test/testing_env.rb
@@ -6,7 +6,7 @@ require "global"
 require "formulary"
 
 # Test environment setup
-%w[ENV Formula].each { |d| HOMEBREW_LIBRARY.join(d).mkpath }
+HOMEBREW_LIBRARY.join("Formula").mkpath
 %w[cache formula_cache cellar logs].each { |d| HOMEBREW_PREFIX.parent.join(d).mkpath }
 
 # Test fixtures and files can be found relative to this path