Ruby: Add test for render calls

Author: hmac

ruby/ql/test/library-tests/frameworks/action_controller/ActionController.expected

@@ -254,6 +254,12 @@ redirectToCalls
 | controllers/foo/bars_controller.rb:17:5:17:30 | call to redirect_to |
 | controllers/foo/bars_controller.rb:27:5:27:39 | call to redirect_back_or_to |
 | controllers/foo/bars_controller.rb:31:5:31:56 | call to redirect_back |
+renderCalls
+| controllers/foo/bars_controller.rb:6:5:6:37 | call to render |
+| controllers/foo/bars_controller.rb:23:5:23:76 | call to render |
+| controllers/foo/bars_controller.rb:35:5:35:33 | call to render |
+| controllers/foo/bars_controller.rb:38:5:38:50 | call to render |
+| controllers/foo/bars_controller.rb:44:5:44:17 | call to render |
 actionControllerHelperMethods
 getAssociatedControllerClasses
 controllerTemplateFiles

ruby/ql/test/library-tests/frameworks/action_controller/ActionController.ql

@@ -23,6 +23,8 @@ query predicate cookiesSources(CookiesSource src) { any() }
 
 query predicate redirectToCalls(RedirectToCall c) { any() }
 
+query predicate renderCalls(Rails::RenderCall c) { any() }
+
 query predicate actionControllerHelperMethods(ActionControllerHelperMethod m) { any() }
 
 query predicate getAssociatedControllerClasses(ActionControllerClass cls, ErbFile f) {