Output timinig info for slowest scenarios

features/support/timing.rb

@@ -0,0 +1,20 @@
+# From https://itshouldbeuseful.wordpress.com/2010/11/10/find-your-slowest-running-cucumber-features/
+
+scenario_times = {}
+
+Around do |scenario, block|
+  name = "#{scenario.feature.file}::#{scenario.name}"
+  start = Time.now
+  block.call
+  end_time = Time.now
+  scenario_times[name] = end_time - start
+end
+
+at_exit do
+  max_scenarios = scenario_times.size > 20 ? 20 : scenario_times.size
+  puts "------------- Top #{max_scenarios} slowest scenarios -------------"
+  sorted_times = scenario_times.sort { |a, b| b[1] <=> a[1] }
+  sorted_times[0..max_scenarios - 1].each do |key, value|
+    puts format("%.2f  %s", value, key)
+  end
+end