Update to use simplified steps

Gemfile

@@ -1,3 +1,3 @@
 source 'https://rubygems.org'
 
-gem "bugsnag-maze-runner", git: 'https://github.com/bugsnag/maze-runner', branch: 'dynamic-validation/config-changes'
+gem "bugsnag-maze-runner", git: 'https://github.com/bugsnag/maze-runner', branch: 'validation/extra-capabilities'

features/support/env.rb

@@ -11,65 +11,19 @@
   validator.validate_header('bugsnag-api-key') { |value| value.eql?($api_key) }
   validator.validate_header('content-type') { |value| value.eql?('application/json') }
   validator.validate_header('bugsnag-payload-version') { |value| value.eql?('4') }
-  validator.validate_header('bugsnag-sent-at') do |value|
-    begin
-      Date.iso8601(value)
-    rescue Date::Error
-      validator.success = false
-      validator.errors << "bugsnag-sent-at header was expected to be an ISO 8601 date, but was '#{value}'"
-    end
-  end
+  validator.validate_header('bugsnag-sent-at') { |value| Date.iso8601(value) }
 
-  notifier_name = Maze::Helper.read_key_path(validator.body, 'notifier.name')
-  if notifier_name.nil? || !notifier_name.eql?('Bugsnag Go')
-    validator.success = false
-    validator.errors << "Notifier name in body was expected to be 'Bugsnag Go', but was '#{notifier_name}'"
-  end
-
-  ['notifier.url', 'notifier.version', 'events'].each do |element_key|
-    element = Maze::Helper.read_key_path(validator.body, element_key)
-    if element.nil? || (element.is_a?(Array) && element.empty?)
-      validator.success = false
-      validator.errors << "Required error element #{element_key} was not present"
-    end
-  end
-
-  events = Maze::Helper.read_key_path(validator.body, 'events')
-  events.each_with_index do |event, index|
-    ['severity', 'severityReason.type', 'unhandled', 'exceptions'].each do |element_key|
-      element = Maze::Helper.read_key_path(event, element_key)
-      if element.nil? || (element.is_a?(Array) && element.empty?)
-        validator.success = false
-        validator.errors << "Required event element #{element_key} was not present in event #{index}"
-      end
-    end
-  end
+  validator.element_has_value('notifier.name', 'Bugsnag Go')
+  validator.each_element_exists(['notifier.url', 'notifier.version', 'events'])
+  validator.each_event_contains_each(['severity', 'severityReason.type', 'unhandled', 'exceptions'])
 end
 
 Maze.config.add_validator('session') do |validator|
   validator.validate_header('bugsnag-api-key') { |value| value.eql?($api_key) }
   validator.validate_header('content-type') { |value| value.eql?('application/json') }
   validator.validate_header('bugsnag-payload-version') { |value| value.eql?('1.0') }
-  validator.validate_header('bugsnag-sent-at') do |value|
-    begin
-      Date.iso8601(value)
-    rescue Date::Error
-      validator.success = false
-      validator.errors << "bugsnag-sent-at header was expected to be an ISO 8601 date, but was '#{value}'"
-    end
-  end
-
-  notifier_name = Maze::Helper.read_key_path(validator.body, 'notifier.name')
-  if notifier_name.nil? || !notifier_name.eql?('Bugsnag Go')
-    validator.success = false
-    validator.errors << "Notifier name in body was expected to be 'Bugsnag Go', but was '#{notifier_name}'"
-  end
+  validator.validate_header('bugsnag-sent-at') { |value| Date.iso8601(value) }
 
-  ['notifier.url', 'notifier.version', 'app', 'device'].each do |element_key|
-    element = Maze::Helper.read_key_path(validator.body, element_key)
-    if element.nil? || (element.is_a?(Array) && element.empty?)
-      validator.success = false
-      validator.errors << "Required session element #{element_key} was not present"
-    end
-  end
+  validator.element_has_value('notifier.name', 'Bugsnag Go')
+  validator.each_element_exists(['notifier.url', 'notifier.version', 'app', 'device'])
 end