Setup test hosts for connection caching

.travis.yml

@@ -7,6 +7,12 @@ env:
   - TESTENV=openldap
   - TESTENV=apacheds
 
+# https://docs.travis-ci.com/user/hosts/
+addons:
+  hosts:
+    - ad1.ghe.dev
+    - ad2.ghe.dev
+
 install:
   - if [ "$TESTENV" = "openldap" ]; then ./script/install-openldap; fi
   - bundle install

test/connection_cache_test.rb

@@ -2,24 +2,16 @@ require_relative 'test_helper'
 
 class GitHubLdapConnectionCacheTestCases < GitHub::Ldap::Test
 
-  def options
-    {
-      admin_user: "uid=admin,dc=github,dc=com",
-      admin_password: "passworD1",
-      port: 389
-    }
-  end
-
   def test_returns_cached_connection
-    conn1 = GitHub::Ldap::ConnectionCache.get_connection(options.merge(:host => "ghe.gh"))
-    conn2 = GitHub::Ldap::ConnectionCache.get_connection(options.merge(:host => "ghe.gh"))
+    conn1 = GitHub::Ldap::ConnectionCache.get_connection(options.merge(:host => "ad1.ghe.dev"))
+    conn2 = GitHub::Ldap::ConnectionCache.get_connection(options.merge(:host => "ad1.ghe.dev"))
     assert_equal conn1.object_id, conn2.object_id
   end
 
   def test_creates_new_connections_per_host
-    conn1 = GitHub::Ldap::ConnectionCache.get_connection(options.merge(:host => "ghe.gh"))
-    conn2 = GitHub::Ldap::ConnectionCache.get_connection(options.merge(:host => "ghe.dev"))
-    conn3 = GitHub::Ldap::ConnectionCache.get_connection(options.merge(:host => "ghe.dev"))
+    conn1 = GitHub::Ldap::ConnectionCache.get_connection(options.merge(:host => "ad1.ghe.dev"))
+    conn2 = GitHub::Ldap::ConnectionCache.get_connection(options.merge(:host => "ad2.ghe.dev"))
+    conn3 = GitHub::Ldap::ConnectionCache.get_connection(options.merge(:host => "ad2.ghe.dev"))
     refute_equal conn1.object_id, conn2.object_id
     assert_equal conn2.object_id, conn3.object_id
   end