ci: appease rubocop (#303)

Author: supercaracal

test/ips_concurrent_worker.rb

@@ -48,7 +48,7 @@ def bench(duration, **kwargs)
           end
 
           sum = 0
-          group.each do |_, n|
+          group.each do |_, n| # rubocop:disable Style/HashEachMethods
             sum += n
           end
 

test/redis_client/cluster/concurrent_worker/mixin.rb

@@ -22,7 +22,7 @@ def test_work_group
           want = Array.new(size) { |i| i * 2 }
           got = []
 
-          group.each do |_, v|
+          group.each do |_, v| # rubocop:disable Style/HashEachMethods
             got << v
           end
 
@@ -36,7 +36,7 @@ def test_too_many_tasks
           5.times { |i| group.push(i, i) { |n| n } }
           assert_raises(InvalidNumberOfTasks) { group.push(5, 5) { |n| n } }
           sum = 0
-          group.each { |_, v| sum += v }
+          group.each { |_, v| sum += v } # rubocop:disable Style/HashEachMethods
           assert_equal(10, sum)
           group.close
         end
@@ -45,9 +45,9 @@ def test_fewer_tasks
           group = @worker.new_group(size: 5)
           4.times { |i| group.push(i, i) { |n| n } }
           sum = 0
-          assert_raises(InvalidNumberOfTasks) { group.each { |_, v| sum += v } }
+          assert_raises(InvalidNumberOfTasks) { group.each { |_, v| sum += v } } # rubocop:disable Style/HashEachMethods
           group.push(4, 4) { |n| n }
-          group.each { |_, v| sum += v }
+          group.each { |_, v| sum += v } # rubocop:disable Style/HashEachMethods
           assert_equal(10, sum)
           group.close
         end