Suppress RuboCop's offense

koic · koic · commit cd388c72ec0d · 2025-07-13T03:05:26.000+09:00
This PR suppresses the following RuboCop's offense:

```console
$ bundle exec rubocop
(snip)

test/rubocop/cop/mixin/minitest_exploration_helpers_test.rb:7:5:
C: [Correctable] Layout/EmptyLinesAfterModuleInclusion: Add an empty line after module inclusion.
    extend RuboCop::Cop::MinitestExplorationHelpers
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

137 files inspected, 1 offense detected, 1 offense autocorrectable
RuboCop failed!
```
diff --git a/test/rubocop/cop/mixin/minitest_exploration_helpers_test.rb b/test/rubocop/cop/mixin/minitest_exploration_helpers_test.rb
@@ -5,6 +5,7 @@
 class MinitestExplorationHelpersTest < Minitest::Test
   module Helper
     extend RuboCop::Cop::MinitestExplorationHelpers
+
     class << self
       public :test_case?
     end
