Add German translations for PyLint adapter with basic spec

spec/helpers/yaml_spec.rb

@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+require 'find'
+require 'yaml'
+
+describe 'yaml config files' do
+  Find.find(__dir__, 'config') do |path|
+    next unless path =~ /.*.\.yml/
+
+    it "loads #{path} without syntax error" do
+      expect { YAML.load_file(path) }.not_to raise_error
+    end
+  end
+end