Merge pull request #31799 from yahonda/use_minitest_5_11_1

Lock Minitest 5.11.1

Gemfile

@@ -110,6 +110,7 @@ local_gemfile = File.expand_path(".Gemfile", __dir__)
 instance_eval File.read local_gemfile if File.exist? local_gemfile
 
 group :test do
+  gem "minitest", "= 5.11.1"
   gem "minitest-bisect"
 
   platforms :mri do

Gemfile.lock

@@ -533,6 +533,7 @@ DEPENDENCIES
   libxml-ruby
   listen (>= 3.0.5, < 3.2)
   mini_magick
+  minitest (= 5.11.1)
   minitest-bisect
   mocha
   mysql2 (>= 0.4.4)