Replace deprecated default_wait_time for Capybara

closes #6430

features/support/env.rb

@@ -39,10 +39,10 @@ Capybara.default_driver = :selenium
 Capybara.default_selector = :css
 
 # We have a ridiculously high wait time to account for build machines of various beefiness.
-# Capybara.default_wait_time = 30
+# Capybara.default_max_wait_time = 30
 
 # While there are a lot of failures, wait less, avoiding travis timeout
-Capybara.default_wait_time = 15
+Capybara.default_max_wait_time = 15
 
 # If you set this to false, any error raised from within your app will bubble
 # up to your step definition and out to cucumber unless you catch it somewhere

features/support/matchers.rb

@@ -27,9 +27,9 @@ end
 
 
 def await_condition &condition
-  start_time = Time.now
+  start_time = Time.zone.now
   until condition.call
-    return false if (Time.now-start_time) > Capybara.default_wait_time
+    return false if (Time.zone.now - start_time) > Capybara.default_max_wait_time
     sleep 0.05
   end
   true