spec test auth capabilities

spec/auth_spec.rb

@@ -0,0 +1,12 @@
+require_relative 'spec_helper'
+
+describe 'Authentication capabilities' do
+  it 'indicates whether authentication is enabled' do
+    response = api_conn.get '/api/authentication-enabled'
+    expect(response.status).to         eql(HTTP_OK)
+    expect(response[:content_type]).to eql('application/json')
+    enabled = JSON.parse(response.body)
+    expect([true, false].include? enabled['enabled']).to eql(true)
+  end
+end
+