Put test ENV in the right place so cucumber/rake both work

gem_rake_helper.rb

@@ -17,8 +17,6 @@ class Bundler::GemHelper
 end
 
 Cucumber::Rake::Task.new(:test, 'Run features that should pass') do |t|
-  ENV["TEST"] = "true"
-  
   exempt_tags = ""
   exempt_tags << "--tags ~@nojava" if RUBY_PLATFORM == "java"
   

middleman-core/features/support/env.rb

@@ -1,3 +1,5 @@
+ENV["TEST"] = "true"
+
 PROJECT_ROOT_PATH = File.dirname(File.dirname(File.dirname(__FILE__)))
 require File.join(PROJECT_ROOT_PATH, 'lib', 'middleman-core')
 require File.join(PROJECT_ROOT_PATH, 'lib', 'middleman-core', 'step_definitions')

middleman-more/features/support/env.rb

@@ -1,3 +1,5 @@
+ENV["TEST"] = "true"
+
 PROJECT_ROOT_PATH = File.dirname(File.dirname(File.dirname(__FILE__)))
 
 core_root = File.expand_path("../../../../middleman-core/lib/middleman-core", __FILE__)