diff --git a/test/integration/default/controls/command_spec.rb b/test/integration/default/controls/command_spec.rb
index 7e6eea3..b68a47d 100644
--- a/test/integration/default/controls/command_spec.rb
+++ b/test/integration/default/controls/command_spec.rb
@@ -1,14 +1,14 @@
+# frozen_string_literal: true
+
 # Overide by Platform
 pg_port = '5432'
-if platform[:family] == 'debian' or platform[:family] == 'suse'
-  pg_port = '5433'
-end
+pg_port = '5433' if (platform[:family] == 'debian') || (platform[:family] == 'suse')
 
 control 'Postgres command' do
   title 'should match desired lines'
 
   # Can't use `%Q` here due to the `\`
-  describe command(%q{su - postgres -c 'psql -p} + pg_port + %q{ -qtc "\l+ db2"'}) do
-    its(:stdout) { should match(%r{db2.*remoteUser.*UTF8.*en_US.UTF-8.*en_US.UTF-8.*my_space}) }
+  describe command("su - postgres -c 'psql -p" + pg_port + %q( -qtc "\l+ db2"')) do
+    its(:stdout) { should match(/db2.*remoteUser.*UTF8.*en_US.UTF-8.*en_US.UTF-8.*my_space/) }
   end
 end
diff --git a/test/integration/default/controls/config_spec.rb b/test/integration/default/controls/config_spec.rb
index dc61924..476ee6b 100644
--- a/test/integration/default/controls/config_spec.rb
+++ b/test/integration/default/controls/config_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 control 'Postgres configuration' do
   title 'should include the directory'
 
diff --git a/test/integration/default/controls/services_spec.rb b/test/integration/default/controls/services_spec.rb
index b2bfe97..5dfd78e 100644
--- a/test/integration/default/controls/services_spec.rb
+++ b/test/integration/default/controls/services_spec.rb
@@ -1,9 +1,11 @@
+# frozen_string_literal: true
+
 # Overide by Platform
 service_name = 'postgresql'
 pg_port = 5432
-if platform[:name] == 'centos' and platform[:release].start_with?('6')
+if (platform[:name] == 'centos') && platform[:release].start_with?('6')
   service_name = 'postgresql-9.6'
-elsif platform[:family] == 'debian' or platform[:family] == 'suse'
+elsif (platform[:family] == 'debian') || (platform[:family] == 'suse')
   pg_port = 5433
 end