Remove purdytest, update Minitest class name

Gemfile

@@ -12,8 +12,8 @@ gem "mime-types"
 group :test do
   gem 'rake'
   gem 'rack-test'
-  gem 'purdytest', :require => false
   gem 'm'
+  gem 'minitest'
   gem 'minitest-stub_any_instance'
   gem 'webmock'
 end

Gemfile.lock

@@ -41,8 +41,6 @@ GEM
       ruby2_keywords (~> 0.0.1)
     netrc (0.11.0)
     public_suffix (5.0.3)
-    purdytest (2.0.0)
-      minitest (~> 5.5)
     rack (2.2.8)
     rack-protection (2.2.4)
       rack
@@ -97,8 +95,8 @@ DEPENDENCIES
   activesupport (~> 6.1.0)
   m
   mime-types
+  minitest
   minitest-stub_any_instance
-  purdytest
   rack-test
   rainbows
   rake

spec/spec_helper.rb

@@ -8,7 +8,6 @@ require_relative '../liquor-cabinet'
 require 'minitest/autorun'
 require "minitest/stub_any_instance"
 require 'rack/test'
-require 'purdytest'
 require "redis"
 require "rest_client"
 require "ostruct"
@@ -36,22 +35,22 @@ if app.settings.respond_to? :redis
   end
 end
 
-MiniTest::Spec.class_eval do
+Minitest::Spec.class_eval do
   def self.shared_examples
     @shared_examples ||= {}
   end
 end
 
-module MiniTest::Spec::SharedExamples
+module Minitest::Spec::SharedExamples
   def shared_examples_for(desc, &block)
-    MiniTest::Spec.shared_examples[desc] = block
+    Minitest::Spec.shared_examples[desc] = block
   end
 
   def it_behaves_like(desc)
-    self.instance_eval(&MiniTest::Spec.shared_examples[desc])
+    self.instance_eval(&Minitest::Spec.shared_examples[desc])
   end
 end
 
-Object.class_eval { include(MiniTest::Spec::SharedExamples) }
+Object.class_eval { include(Minitest::Spec::SharedExamples) }
 
 require_relative 'shared_examples'