remove things which complicate the test suite

Gemfile

@@ -14,8 +14,6 @@ end
 
 group :test do
   gem 'minitest'
-  gem 'minitest-focus'
-  gem 'minitest-reporters'
   gem 'simplecov'
 end
 

test/dummy/config/application.rb

@@ -7,9 +7,5 @@ module Dummy
     config.root = File.expand_path("../..", __FILE__)
     config.eager_load = false
     config.logger = Logger.new('/dev/null')
-
-    if Rails::VERSION::MAJOR >= 5
-      config.active_record.sqlite3.represent_boolean_as_integer = true
-    end
   end
 end

test/helper.rb

@@ -3,11 +3,8 @@
 require 'bundler/setup'
 Bundler.require(:default, :test)
 
-require 'minitest/reporters'
 require 'minitest/autorun'
 
-MiniTest::Reporters.use! Minitest::Reporters::DefaultReporter.new
-
 $TESTING = true
 # disable minitest/parallel threads
 ENV["N"] = "0"