fix acceptence test

Author: SimonHoenscheid

spec/acceptance/overridden_settings_spec.rb

@@ -11,7 +11,13 @@
 
   let(:pp) do
     <<-MANIFEST
-    $auth_method = $facts['os']['release']['major'] ? { '7' => 'md5', default => 'scram-sha-256'}
+    $auth_method = $facts['os']['release']['major'] ? {
+      '7'     => 'md5',
+      '15'    => 'md5',
+      '22.04' => 'md5',
+      default => 'scram-sha-256'
+    }
+
     class { 'postgresql::server':
       roles          => {
         'testusername' => {