Updated test setup [skip ci]

Author: ankane

.github/workflows/build.yml

@@ -10,7 +10,7 @@ jobs:
     steps:
       - if: ${{ startsWith(matrix.os, 'windows') }}
         run: git config --global core.autocrlf false
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: 3.4

Gemfile

@@ -3,9 +3,9 @@ source "https://rubygems.org"
 gemspec
 
 gem "rake"
-gem "minitest", ">= 5"
+gem "minitest"
 gem "daru"
 gem "matrix"
-gem "numo-narray", platform: [:mri, :x64_mingw]
-gem "rover-df", platform: [:mri, :x64_mingw]
+gem "numo-narray", platform: [:mri, :windows]
+gem "rover-df", platform: [:mri, :windows]
 gem "csv"

Rakefile

@@ -1,13 +1,13 @@
 require "bundler/gem_tasks"
 require "rake/testtask"
 
-task default: :test
 Rake::TestTask.new do |t|
-  t.libs << "test"
   t.pattern = "test/**/*_test.rb"
   t.warning = false # for daru
 end
 
+task default: :test
+
 shared_libraries = %w(lib_lightgbm.dll lib_lightgbm.dylib lib_lightgbm.arm64.dylib lib_lightgbm.so lib_lightgbm.arm64.so)
 
 # ensure vendor files exist

test/test_helper.rb

@@ -1,11 +1,7 @@
 require "bundler/setup"
 Bundler.require(:default)
 require "minitest/autorun"
-require "minitest/pride"
-require "csv"
 require "json"
-require "matrix"
-require "daru"
 
 class Minitest::Test
   def setup