Update test routine

Minitest no longer uses the `MiniTest` with capital `T` since forever

Author: whyscream

.github/workflows/run_tests.yml

@@ -1,6 +1,6 @@
 on: [push]
 jobs:
-  build:
+  test:
     runs-on: ubuntu-latest
 
     steps:
@@ -9,6 +9,6 @@ jobs:
           submodules: true
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.1
+          ruby-version: 3.2
       - run: gem install jls-grok minitest
       - run: ruby test/test.rb

test/test.rb

@@ -12,7 +12,7 @@
 # It creates test cases from all yaml files in the current
 # directory.
 
-class TestGrokPatterns < MiniTest::Test
+class TestGrokPatterns < Minitest::Test
 
     @@test_dir = File.dirname(__FILE__)
     @@upstream_pattern_dir = @@test_dir + '/logstash-patterns-core/patterns/ecs-v1/'