We reset the phantom js driver after each context to prevent it memory leaking and dying

spec/spec_helper.rb

@@ -90,6 +90,14 @@ RSpec.configure do |config|
     DatabaseCleaner.clean
   end
 
+  def restart_phantomjs
+    Capybara.send('session_pool').values
+      .select { |s| s.driver.is_a?(Capybara::Poltergeist::Driver) }
+      .each { |driver| driver.restart}
+  end
+
+  config.before(:all) { restart_phantomjs }
+
   # Geocoding
   config.before(:each) { allow_any_instance_of(Spree::Address).to receive(:geocode).and_return([1,1]) }