Change the expectation for custom DNS, everything that uses "base" should have our DNS

features/custom-dns.feature

@@ -6,6 +6,6 @@ Feature: Jenkins hosts should use our internal DNS
 
   Scenario: Bootstrap a machine
     Given I have an empty Linux machine
-    And I have included the Jenkins DNS module
+    And I have included the Jenkins base module
     When I provision the host
     Then the Jenkins DNS server should be in the resolv.conf

features/step_definitions/dns_steps.rb

@@ -1,5 +1,5 @@
-Given /^I have included the Jenkins DNS module$/ do
-  resources << 'include jenkins-dns'
+Given /^I have included the Jenkins base module$/ do
+  resources << 'include base'
 end
 
 Then /^the Jenkins DNS server should be in the resolv\.conf$/ do