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-rw-r--r--spec/ruby/library/set/sortedset/minus_spec.rb11
1 files changed, 7 insertions, 4 deletions
diff --git a/spec/ruby/library/set/sortedset/minus_spec.rb b/spec/ruby/library/set/sortedset/minus_spec.rb
index ffb8ee85d1..d6abc5e204 100644
--- a/spec/ruby/library/set/sortedset/minus_spec.rb
+++ b/spec/ruby/library/set/sortedset/minus_spec.rb
@@ -1,7 +1,10 @@
require_relative '../../../spec_helper'
-require 'set'
-require_relative 'shared/difference'
-describe "SortedSet#-" do
- it_behaves_like :sorted_set_difference, :-
+ruby_version_is ""..."3.0" do
+ require 'set'
+ require_relative 'shared/difference'
+
+ describe "SortedSet#-" do
+ it_behaves_like :sorted_set_difference, :-
+ end
end