Add bin/test to improve test runner features

This setup is based on how Rails does that.

See more about it here: https://github.com/plataformatec/devise/pull/5014

.travis.yml

@@ -27,3 +27,5 @@ notifications:
     on_success: change
     on_failure: always
     secure: vxwuYTr2Sy+a/C7VP06l3QQCSgsKH7mjbTqOF1cKfGgmIHwO2p1VZmNCKjOe24ILj090WmVfHdnF/MnSCQw/SD1mVNbCZFf8Vj7+fYBu26I7BfahN0jxv3S5NO1sx4ipj0cO17r21OjtD2r1XzOfKqdSkjBBCOk8+WjiqtmCXII=
+
+script: "bin/test"

bin/test

@@ -0,0 +1,11 @@
+#!/usr/bin/env ruby
+$: << File.expand_path(File.expand_path('../../test', __FILE__))
+
+require 'bundler/setup'
+require 'rails/test_unit/runner'
+require 'rails/test_unit/reporter'
+
+Rails::TestUnitReporter.executable = 'bin/test'
+
+Rails::TestUnit::Runner.parse_options(ARGV)
+Rails::TestUnit::Runner.run(ARGV)

test/test_helper.rb

@@ -1,15 +1,13 @@
 # frozen_string_literal: true
-require 'bundler/setup'
-
 require 'minitest/autorun'
 
 require 'active_model'
 require 'action_controller'
 require 'action_view'
+
 ActionView::RoutingUrlFor.send(:include, ActionDispatch::Routing::UrlFor)
 
 require 'action_view/template'
-
 require 'action_view/test_case'
 
 module Rails
@@ -41,10 +39,14 @@ if ActiveSupport::TestCase.respond_to?(:test_order=)
   ActiveSupport::TestCase.test_order = :random
 end
 
+require "rails/test_unit/line_filtering"
+
 class ActionView::TestCase
   include MiscHelpers
   include SimpleForm::ActionViewExtensions::FormHelper
 
+  extend Rails::LineFiltering
+
   setup :set_controller
   setup :setup_users