Move environment initialization to a before hook and rename method fo…

…r clarity

spec/spec_helper.rb

@@ -25,22 +25,20 @@ def stub_api_request method, uri, fixture = nil
     stub_request(method, uri.to_s).to_return response
   end
 
-  def environment
+  def reset_recurly_environment!
     Recurly.subdomain = 'api'
     Recurly.api_key = 'api_key'
     Recurly.default_currency = 'USD'
     Recurly.logger = Logger.new nil
   end
 end
 
-include SpecHelper
-
-environment
-
 class Minitest::Spec
-  after do |tests|
+  include SpecHelper
+
+  before do |tests|
     WebMock.reset!
-    environment
+    reset_recurly_environment!
   end
 end