Allow Solidus 3

Author: kennyadsl

solidus_dev_support.gemspec

@@ -44,7 +44,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'rubocop-performance', '~> 1.5'
   spec.add_dependency 'rubocop-rails', '~> 2.3'
   spec.add_dependency 'rubocop-rspec', '~> 2.0'
-  spec.add_dependency 'solidus_core', ['>= 2.0', '< 3']
+  spec.add_dependency 'solidus_core', ['>= 2.0', '< 4']
   spec.add_dependency 'webdrivers', '~> 4.4'
 
   spec.add_development_dependency 'bundler'