move mocha requirement to test_helper

test/domain_test.rb

@@ -1,5 +1,4 @@
 require_relative 'test_helper'
-require 'mocha/mini_test'
 
 module GitHubLdapDomainTestCases
   def setup

test/ldap_test.rb

@@ -1,5 +1,4 @@
 require_relative 'test_helper'
-require 'mocha/mini_test'
 
 module GitHubLdapTestCases
   def setup

test/referral_chaser_test.rb

@@ -1,5 +1,4 @@
 require_relative 'test_helper'
-require 'mocha/mini_test'
 
 class GitHubLdapReferralChaserTestCases < GitHub::Ldap::Test
 

test/test_helper.rb

@@ -13,6 +13,8 @@ require 'github/ldap/server'
 require 'minitest/mock'
 require 'minitest/autorun'
 
+require 'mocha/mini_test'
+
 if ENV.fetch('TESTENV', "apacheds") == "apacheds"
   # Make sure we clean up running test server
   # NOTE: We need to do this manually since its internal `at_exit` hook

test/user_search/active_directory_test.rb

@@ -1,5 +1,4 @@
 require_relative '../test_helper'
-require 'mocha/mini_test'
 
 class GitHubLdapActiveDirectoryUserSearchTests < GitHub::Ldap::Test
 

test/user_search/default_test.rb

@@ -1,5 +1,4 @@
 require_relative '../test_helper'
-require 'mocha/mini_test'
 
 class GitHubLdapActiveDirectoryUserSearchTests < GitHub::Ldap::Test
   def setup