[rubygems/rubygems] Remove unnecessary `ruby_version` local variable

Under some case, this variable might not end up being used, in which
case running the script would print unused variable warnings.

https://github.com/rubygems/rubygems/commit/bf96030362

1 files changed, 1 insertions, 1 deletions

diff --git a/spec/bundler/install/gems/standalone_spec.rb b/spec/bundler/install/gems/standalone_spec.rb
index ce1307fbd2..fc8e24f9f5 100644
--- a/spec/bundler/install/gems/standalone_spec.rb
+++ b/spec/bundler/install/gems/standalone_spec.rb
@@ -159,7 +159,7 @@ RSpec.shared_examples "bundle install --standalone" do
     it "generates a bundle/bundler/setup.rb with the proper paths" do
       expected_path = bundled_app("bundle/bundler/setup.rb")
       extension_line = File.read(expected_path).each_line.find {|line| line.include? "/extensions/" }.strip
-      expect(extension_line).to start_with '$:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{ruby_version}/extensions/'
+      expect(extension_line).to start_with '$:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{RbConfig::CONFIG["ruby_version"]}/extensions/'
       expect(extension_line).to end_with '/very_simple_binary-1.0")'
     end
   end