Fix spec

Author: solnic

spec/integration/schema/inferrer/mysql_spec.rb

@@ -34,7 +34,7 @@
   let(:source) { container.relations[:test_inferrence].name }
 
   it 'can infer attributes for dataset' do
-    if ENV['GITHUB_WORKFLOW'] && RUBY_VERSION >= "2.7"
+    if ENV['GITHUB_WORKFLOW'] && RUBY_VERSION >= "2.7" && RUBY_VERSION < "3.0"
       pending 'This fails on CI with Sequel from master (possibly a regression in Sequel)'
     end