diff --git a/spec/acceptance/observium_install_spec.rb b/spec/acceptance/observium_install_spec.rb
index 6d09941..6eb63f5 100644
--- a/spec/acceptance/observium_install_spec.rb
+++ b/spec/acceptance/observium_install_spec.rb
@@ -14,7 +14,7 @@
     end
   end
 
-  # let(:hiera_config) { 'hiera-rpsec.yaml' } # serverspec doesn't seem to respect this.
+  let(:hiera_config) { 'hiera-rpsec.yaml' } # serverspec doesn't seem to respect this.
 
   let(:pp) do
     <<-MANIFEST
diff --git a/spec/classes/observium_spec.rb b/spec/classes/observium_spec.rb
index 8d8ca24..aa62564 100644
--- a/spec/classes/observium_spec.rb
+++ b/spec/classes/observium_spec.rb
@@ -3,6 +3,7 @@
 require 'spec_helper'
 
 describe 'observium' do
+  let(:hiera_config) { 'hiera-rpsec.yaml' }
   on_supported_os.each do |os, os_facts|
     context "on #{os}" do
       let(:facts) { os_facts }
diff --git a/spec/data/common.yaml b/spec/data/common.yaml
index 5a6b434..c600c9f 100644
--- a/spec/data/common.yaml
+++ b/spec/data/common.yaml
@@ -1,3 +1,6 @@
 ---
-observium::snmpd_agentaddress:
-  - udp:127.0.0.1:161
\ No newline at end of file
+observium::db_password: "changeme"
+observium::rootdb_password: "hello123"
+observium::snmpv3_authpass: "setme1234"
+observium::snmpv3_cryptopass: "setme1234"
+observium::admin_password: "changeme"
\ No newline at end of file