adding fix for phantomjs errors on mavericks *crossing fingers*

spec/support/capybara_shared.rb

@@ -13,20 +13,20 @@ def verifying_fixed?
   if !@@displayed_spec_notice && result
     puts <<-NOTICE
 
-******************************************************************************
-  You are running the RailsGoat Capybara Specs in Training mode. These specs
-  are supposed to fail, indicating vulnerabilities exist. They contain
-  spoilers, so do not read the code in spec/vulnerabilities if your goal is to
-  learn more about patching the vulnerabilities. You should fix the
-  vulnerabilities in the application in order to get these specs to pass**.
-  You can use them to measure your progress.
+    ******************************************************************************
+    You are running the RailsGoat Capybara Specs in Training mode. These specs
+    are supposed to fail, indicating vulnerabilities exist. They contain
+    spoilers, so do not read the code in spec/vulnerabilities if your goal is to
+      learn more about patching the vulnerabilities. You should fix the
+      vulnerabilities in the application in order to get these specs to pass**.
+        You can use them to measure your progress.
 
-  These same specs will pass if you set the #{maintainer_env_name} ENV
-  variable.
+        These same specs will pass if you set the #{maintainer_env_name} ENV
+      variable.
 
-  **NOTE: The RSpec pending feature is used to toggle the outcome of these
-  specs between Training mode and RailsGoat Maintainer mode, so when the
-  vulnerabilities are removed, these specs actually won't 'pass' but go into
+        **NOTE: The RSpec pending feature is used to toggle the outcome of these
+      specs between Training mode and RailsGoat Maintainer mode, so when the
+      vulnerabilities are removed, these specs actually won't 'pass' but go into
   a 'pending' state.
 ******************************************************************************
     NOTICE
@@ -43,3 +43,41 @@ def login(user)
   end
   click_on 'Login'
 end
+
+##Hack to fix PhantomJS errors on Mavericks - https://gist.github.com/ericboehs/7125105
+module Capybara::Poltergeist
+  class Client
+    private
+    def redirect_stdout
+      prev = STDOUT.dup
+      prev.autoclose = false
+      $stdout = @write_io
+      STDOUT.reopen(@write_io)
+
+      prev = STDERR.dup
+      prev.autoclose = false
+      $stderr = @write_io
+      STDERR.reopen(@write_io)
+      yield
+    ensure
+      STDOUT.reopen(prev)
+      $stdout = STDOUT
+      STDERR.reopen(prev)
+      $stderr = STDERR
+    end
+  end
+end
+
+class WarningSuppressor
+  class << self
+    def write(message)
+      if message =~ /QFont::setPixelSize: Pixel size <= 0/ || message =~/CoreText performance note:/ || message =~/Method userSpaceScaleFactor in class NSView/ then 0 else puts(message);1;end
+    end
+  end
+end
+
+Capybara.register_driver :poltergeist do |app|
+  Capybara::Poltergeist::Driver.new(app, phantomjs_logger: WarningSuppressor)
+end
+
+Capybara.javascript_driver = :poltergeist