Use contain_class matcher over include_class

Author: orien

spec/classes/postgresql__config_spec.rb

@@ -4,7 +4,7 @@
   let(:facts) { default_test_facts }
 
   it do
-    should include_class('boxen::config')
+    should contain_class('boxen::config')
 
     %w(data/postgresql-9.5 log/postgresql-9.5).each do |d|
       should contain_file("/test/boxen/#{d}").with_ensure(:directory)
@@ -13,7 +13,7 @@
     contain_sysctl__set("kern.sysv.shmmax")
     contain_sysctl__set("kern.sysv.shmall")
 
-    should include_class("boxen::config")
+    should contain_class("boxen::config")
     should contain_boxen__env_script("postgresql")
     should contain_file("/Library/LaunchDaemons/dev.postgresql.plist")
   end
@@ -22,7 +22,7 @@
     let(:facts) { default_test_facts.merge(:operatingsystem => "Ubuntu") }
 
     it do
-      should_not include_class("boxen::config")
+      should_not contain_class("boxen::config")
 
       should_not contain_boxen__env_script("postgresql")
       should_not contain_file("/Library/LaunchDaemons/dev.postgresql.plist")

spec/defines/postgresql_db_spec.rb

@@ -5,7 +5,7 @@
   let(:title) { 'testdb' }
 
   it do
-    should include_class("postgresql")
+    should contain_class("postgresql")
 
     should contain_exec("postgresql-db-#{title}").with({
       :command => "/test/boxen/homebrew/bin/createdb -p15432 -E UTF-8 -O testuser #{title}",