Downgrade from broken appraisals version

Author: luke-hill

cucumber-rails.gemspec

@@ -31,7 +31,7 @@ Gem::Specification.new do |s|
 
   # Main development dependencies
   s.add_development_dependency('ammeter', '>= 1.1.4')
-  s.add_development_dependency('appraisal', '~> 2.2')
+  s.add_development_dependency('appraisal', '< 2.4') # See: https://github.com/thoughtbot/appraisal/issues/186
   s.add_development_dependency('aruba', '~> 1.0')
   s.add_development_dependency('bundler', '>= 1.17')
   s.add_development_dependency('database_cleaner', ['>= 1.8', '< 3.0'])