Try define shared contexts explicitly

spec/shared_contexts.rb

@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+RSpec.shared_context 'ruby 2.7' do
+  # Prism supports parsing Ruby 3.3+.
+  let(:ruby_version) { ENV['PARSER_ENGINE'] == 'parser_prism' ? 3.3 : 2.7 }
+end
+
+RSpec.shared_context 'ruby 3.0' do
+  # Prism supports parsing Ruby 3.3+.
+  let(:ruby_version) { ENV['PARSER_ENGINE'] == 'parser_prism' ? 3.3 : 3.0 }
+end
+
+RSpec.shared_context 'ruby 3.1' do
+  # Prism supports parsing Ruby 3.3+.
+  let(:ruby_version) { ENV['PARSER_ENGINE'] == 'parser_prism' ? 3.3 : 3.1 }
+end
+
+RSpec.shared_context 'ruby 3.2' do
+  # Prism supports parsing Ruby 3.3+.
+  let(:ruby_version) { ENV['PARSER_ENGINE'] == 'parser_prism' ? 3.3 : 3.2 }
+end
+
+RSpec.shared_context 'ruby 3.3' do
+  let(:ruby_version) { 3.3 }
+end
+
+RSpec.shared_context 'ruby 3.4' do
+  let(:ruby_version) { 3.4 }
+end

spec/spec_helper.rb

@@ -18,6 +18,7 @@
 require 'rubocop-thread_safety'
 
 require 'rubocop/rspec/support'
+require_relative 'shared_contexts'
 
 RSpec.configure do |config|
   config.include RuboCop::RSpec::ExpectOffense