diff --git a/spec/acceptance/init_spec.rb b/spec/acceptance/init_spec.rb
index 7b39cdd..64ada1c 100644
--- a/spec/acceptance/init_spec.rb
+++ b/spec/acceptance/init_spec.rb
@@ -1,65 +1,81 @@
 require 'spec_helper_acceptance'
 
 describe 'nginx class' do
   context 'default parameters' do
     # Using puppet_apply as a helper
     it 'works idempotently with no errors' do
-      pp = 'include nginx'
+      pp = "
+      include nginx
+
+      nginx::resource::server { 'example.com':
+        ensure   => present,
+        www_root => '/var/www/html',
+      }
+      "
 
       # Run it twice and test for idempotency
       apply_manifest(pp, catch_failures: true)
       apply_manifest(pp, catch_changes: true)
     end
 
     # do some basic checks
     pkg = case fact('os.family')
           when 'Archlinux'
             'nginx-mainline'
           else
             'nginx'
           end
     describe package(pkg) do
       it { is_expected.to be_installed }
     end
 
     describe service('nginx') do
       it { is_expected.to be_running }
       it { is_expected.to be_enabled }
     end
 
     describe port(80) do
       it { is_expected.to be_listening }
     end
   end
 
   context 'with service_config_check true' do
     # Using puppet_apply as a helper
     it 'works idempotently with no errors' do
-      pp = "class { 'nginx': service_config_check => true, }"
+      pp = "
+      class { 'nginx':
+        service_config_check => true,
+      }
+
+      nginx::resource::server { 'example.com':
+        ensure   => present,
+        www_root => '/var/www/html',
+      }
+      "
 
       # Run it twice and test for idempotency
       apply_manifest(pp, catch_failures: true)
       apply_manifest(pp, catch_changes: true)
     end
 
     # do some basic checks
     pkg = case fact('os.family')
           when 'Archlinux'
             'nginx-mainline'
           else
             'nginx'
           end
     describe package(pkg) do
       it { is_expected.to be_installed }
     end
 
     describe service('nginx') do
       it { is_expected.to be_running }
       it { is_expected.to be_enabled }
     end
 
     describe port(80) do
       it { is_expected.to be_listening }
     end
   end
 end
diff --git a/spec/acceptance/nginx_mail_spec.rb b/spec/acceptance/nginx_mail_spec.rb
index 93b2070..cbca967 100644
--- a/spec/acceptance/nginx_mail_spec.rb
+++ b/spec/acceptance/nginx_mail_spec.rb
@@ -1,67 +1,87 @@
 require 'spec_helper_acceptance'
 
 describe 'nginx::resource::mailhost define:' do
   it 'runs successfully' do
     pp = "
+    if fact('os.family') == 'RedHat' {
+      package { 'nginx-mod-mail':
+        ensure => installed,
+      }
+    }
+
     class { 'nginx':
-      mail => true,
+      mail            => true,
+      dynamic_modules => fact('os.family') ? {
+        'RedHat' => ['/usr/lib64/nginx/modules/ngx_mail_module.so'],
+        default  => [],
+      }
     }
     nginx::resource::mailhost { 'domain1.example':
       ensure      => present,
       auth_http   => 'localhost/cgi-bin/auth',
       protocol    => 'smtp',
       listen_port => 587,
       ssl         => true,
       ssl_port    => 465,
       ssl_cert    => '/etc/pki/tls/certs/blah.cert',
       ssl_key     => '/etc/pki/tls/private/blah.key',
       xclient     => 'off',
     }
     "
 
     apply_manifest(pp, catch_failures: true)
   end
 
   describe file('/etc/nginx/conf.mail.d/domain1.example.conf') do
     it { is_expected.to be_file }
     it { is_expected.to contain 'auth_http             localhost/cgi-bin/auth;' }
     it { is_expected.to contain 'listen                *:465 ssl;' }
   end
 
   describe port(587) do
     it { is_expected.to be_listening }
   end
 
   describe port(465) do
     it { is_expected.to be_listening }
   end
 
   context 'when configured for nginx 1.14' do
     it 'runs successfully' do
       pp = "
+    if fact('os.family') == 'RedHat' {
+      package { 'nginx-mod-mail':
+        ensure => installed,
+      }
+    }
+
     class { 'nginx':
-      mail          => true,
-      nginx_version => '1.14.0',
+      mail            => true,
+      nginx_version   => '1.14.0',
+      dynamic_modules => fact('os.family') ? {
+        'RedHat' => ['/usr/lib64/nginx/modules/ngx_mail_module.so'],
+        default  => [],
+      }
     }
     nginx::resource::mailhost { 'domain1.example':
       ensure      => present,
       auth_http   => 'localhost/cgi-bin/auth',
       protocol    => 'smtp',
       listen_port => 587,
       ssl         => true,
       ssl_port    => 465,
       ssl_cert    => '/etc/pki/tls/certs/blah.cert',
       ssl_key     => '/etc/pki/tls/private/blah.key',
       xclient     => 'off',
     }
       "
 
       apply_manifest(pp, catch_failures: true)
     end
     describe file('/etc/nginx/conf.mail.d/domain1.example.conf') do
       it 'does\'t contain `ssl` on `listen` line' do
         is_expected.to contain 'listen                *:465;'
       end
     end
   end
 end