Fix windows issues with nicetest

Author: ianks

Gemfile

@@ -4,7 +4,7 @@ source 'https://rubygems.org'
 
 gemspec
 
-gem 'nicetest'
+gem 'minitest'
 gem 'rake', '~> 13.0'
 gem 'rake-compiler'
 gem 'rb_sys', '~> 0.9'

Rakefile

@@ -2,16 +2,15 @@
 
 require 'bundler/gem_tasks'
 require 'rb_sys/extensiontask'
+require "minitest/test_task"
 
 GEMSPEC = Gem::Specification.load('oxi-test.gemspec') || abort('Could not load oxi-test.gemspec')
 
 RbSys::ExtensionTask.new('oxi-test', GEMSPEC) do |ext|
   ext.lib_dir = 'lib/oxi/test'
 end
 
-task :ruby_test do
-  sh('bin/test', '--reporter', 'spec')
-end
+Minitest::TestTask.create :ruby_test
 
 task :fmt do
   sh 'cargo', 'fmt'

test/test_helper.rb

@@ -3,4 +3,4 @@
 $LOAD_PATH.unshift File.expand_path('../lib', __dir__)
 
 require 'oxi/test'
-require 'nicetest'
+require 'minitest/autorun'