Fix minor Rubocop offenses in QA browser runtime

qa/qa/page/base.rb

@@ -13,8 +13,10 @@ module QA
       def wait(css = '.application', time: 60)
         Time.now.tap do |start|
           while Time.now - start < time
-            break if page.has_css?(css, wait: 5)
             puts "Waiting for `#{css} on `#{current_url}`"
+
+            break if page.has_css?(css, wait: 5)
+
             refresh
           end
         end

qa/qa/runtime/browser.rb

@@ -79,7 +79,7 @@ module QA
         def perform(&block)
           visit(@address)
 
-          block.call if block_given?
+          yield if block_given?
         rescue
           raise if block.nil?