Remove capybara/poltergeist require

Steven G. Harms · Steven G. Harms · commit b995548e9014 · 2018-01-09T10:44:08.000-05:00
This was breaking execution of solutions
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
@@ -1,7 +1,7 @@
 ENV["SINATRA_ENV"] = "test"
 require_relative '../config/environment'
 require 'rack/test'
-require 'capybara/poltergeist'
+require 'capybara/rspec'
 require 'capybara/dsl'
 
 Capybara.javascript_driver = :poltergeist
