added skeleton for "When i check the following ratings" step def

features/step_definitions/movie_steps.rb

@@ -10,9 +10,19 @@
 # Make sure that one string (regexp) occurs before or after another one
 #   on the same page
 
-Then "I should see (.*) (before|after) (.*)" do |e1, order, e2|
+Then /I should see "(.*)" (before|after) "(.*)"/ do |e1, order, e2|
   # assign a variable 'regex' here that creates a regular expression
   #  to match the page content against, to make sure that e1 occurs
   #  before or after e2 as specified in the step.
   page.content.should match(regex)
 end
+
+# Make it easier to express checking or unchecking several boxes at once
+#  "When I uncheck the following ratings: PG, G, R"
+#  "When I check the following ratings: G"
+
+When /I (un)?check the following ratings: (.*)/ do |uncheck, rating_list|
+  # HINT: use String#split to split up the rating_list, then
+  #   iterate over the ratings and reuse the "When I check..." or
+  #   "When I uncheck..." steps in lines 89-95 of web_steps.rb
+end