use files permissions from official package

test/integration/helpers/serverspec/oss_spec.rb

@@ -3,11 +3,11 @@ require 'spec_helper'
 shared_examples 'oss::init' do |vars|
   describe file("/etc/elasticsearch/log4j2.properties") do
     it { should be_file }
-    it { should be_owned_by 'elasticsearch' }
+    it { should be_owned_by 'root' }
     it { should_not contain 'CUSTOM LOG4J FILE' }
   end
   describe file("/etc/elasticsearch/jvm.options") do
     it { should be_file }
-    it { should be_owned_by vars['es_user'] }
+    it { should be_owned_by 'root' }
   end
 end

test/integration/helpers/serverspec/shared_spec.rb

@@ -108,11 +108,11 @@ shared_examples 'shared::init' do |vars|
   if vars['es_templates']
     describe file('/etc/elasticsearch/templates') do
       it { should be_directory }
-      it { should be_owned_by vars['es_user'] }
+      it { should be_owned_by 'root' }
     end
     describe file('/etc/elasticsearch/templates/basic.json') do
       it { should be_file }
-      it { should be_owned_by vars['es_user'] }
+      it { should be_owned_by 'root' }
     end
     #This is possibly subject to format changes in the response across versions so may fail in the future
     describe 'Template Contents Correct' do
@@ -152,6 +152,7 @@ shared_examples 'shared::init' do |vars|
     end
   end
   describe file("/etc/elasticsearch/elasticsearch.yml") do
+    it { should be_owned_by 'root' }
     it { should contain "node.name: localhost" }
     it { should contain 'cluster.name: elasticsearch' }
     it { should_not contain "path.conf: /etc/elasticsearch" }

test/integration/helpers/serverspec/xpack_upgrade_spec.rb

@@ -5,13 +5,13 @@ vars = JSON.parse(File.read('/tmp/vars.json'))
 shared_examples 'xpack_upgrade::init' do |vars|
   #Test users file, users_roles and roles.yml
   describe file("/etc/elasticsearch/users_roles") do
-    it { should be_owned_by 'elasticsearch' }
+    it { should be_owned_by 'root' }
     it { should contain 'admin:es_admin' }
     it { should contain 'power_user:testUser' }
   end
 
   describe file("/etc/elasticsearch/users") do
-    it { should be_owned_by 'elasticsearch' }
+    it { should be_owned_by 'root' }
     it { should contain 'testUser:' }
     it { should contain 'es_admin:' }
   end
@@ -37,7 +37,7 @@ shared_examples 'xpack_upgrade::init' do |vars|
 
   #Test contents of role_mapping.yml
   describe file("/etc/elasticsearch/role_mapping.yml") do
-    it { should be_owned_by 'elasticsearch' }
+    it { should be_owned_by 'root' }
     it { should contain 'power_user:' }
     it { should contain '- cn=admins,dc=example,dc=com' }
     it { should contain 'user:' }