diff --git a/TODO.md b/TODO.md
index adc90f9..1f9cd44 100644
--- a/TODO.md
+++ b/TODO.md
@@ -1,6 +1,10 @@
 TODO
 ====
 
+* [ ] Minitest
+* [ ] Formatter
+  * [x] wrap warning containing \n
+  * [ ] "\e[0;35mhello".length => 12 instead of 5!
 * [ ] Tailwind
   * [ ] copy TailAdmin (or WindMill) layout 
     * [ ] https://demo.tailadmin.com/crm
diff --git a/app/controllers/scores_controller.rb b/app/controllers/scores_controller.rb
index 89d9e04..0de2ca3 100644
--- a/app/controllers/scores_controller.rb
+++ b/app/controllers/scores_controller.rb
@@ -14,7 +14,7 @@ class ScoresController < ApplicationController
     # logger.info 'this is an information', { four: 4, five: 5 }
     # logger.debug BigDecimal('0.0003')
     # logger.warn 'scores are', @scores
-    # logger.warn 'this is a warning'
+    logger.warn "this is a warning\n yop\n  cool"
     # logger.error 'this is an error message'
     # logger.info 'end of normal message'
     # logger.debug @scores
@@ -66,7 +66,7 @@ class ScoresController < ApplicationController
   private
 
   def do_an_exception
-    raise 'Unable to destroy this score'
+    raise 'Unable to destroy this score' * 5
   end
 
   # Use callbacks to share common setup or constraints between actions.
diff --git a/lib/formatters/wrapper.rb b/lib/formatters/wrapper.rb
index 0ae5f81..51fe684 100644
--- a/lib/formatters/wrapper.rb
+++ b/lib/formatters/wrapper.rb
@@ -1,5 +1,7 @@
 class Wrapper
   def self.wrap(text, prefix = ' > ', length = 80)
+    text = carriage_return_filler(text.chomp(''), length)
+
     pure = ''
     ansi_code = {}
     while (md = text.match(/\e\[\d+;?\d*m/))
@@ -41,6 +43,31 @@ class Wrapper
     final
   end
 
+  private
+
+  def self.carriage_return_filler(text, length)
+    lines = text.split("\n")
+    return text if lines.count < 2
+
+    last_ansi = nil
+    final = lines.map do |line|
+      fill_count = length - line.length
+      current = line
+      result = last_ansi ? "#{last_ansi}#{line}" : line
+      last_ansi = nil if last_ansi == "\e[0m"
+      while (md = current.match(/\e\[\d+;?\d*m/))
+        last_ansi = md.to_s
+        fill_count += last_ansi.length
+        current = md.post_match
+      end
+      result = "#{result}\e[0m" if last_ansi
+      next result if fill_count < 1
+
+      "#{result}#{' ' * fill_count}"
+    end.join
+    last_ansi ? "#{final}\e[0m" : final
+  end
+
   def self.last_ansi_by_range(ansi_code, last_code, offset, pos)
     pos.downto(offset) do |i|
       next unless ansi_code.has_key?(i)
diff --git a/test/application_system_test_case.rb b/test/application_system_test_case.rb
deleted file mode 100644
index d19212a..0000000
--- a/test/application_system_test_case.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-require "test_helper"
-
-class ApplicationSystemTestCase < ActionDispatch::SystemTestCase
-  driven_by :selenium, using: :chrome, screen_size: [1400, 1400]
-end
diff --git a/test/channels/application_cable/connection_test.rb b/test/channels/application_cable/connection_old.rb
similarity index 100%
rename from test/channels/application_cable/connection_test.rb
rename to test/channels/application_cable/connection_old.rb
diff --git a/test/controllers/scores_controller_test.rb b/test/controllers/scores_controller_old.rb
similarity index 69%
rename from test/controllers/scores_controller_test.rb
rename to test/controllers/scores_controller_old.rb
index 911b107..a6691a4 100644
--- a/test/controllers/scores_controller_test.rb
+++ b/test/controllers/scores_controller_old.rb
@@ -1,45 +1,45 @@
-require "test_helper"
+require 'test_helper'
 
 class ScoresControllerTest < ActionDispatch::IntegrationTest
   setup do
     @score = scores(:one)
   end
 
-  test "should get index" do
+  test 'should get index' do
     get scores_url
     assert_response :success
   end
 
-  test "should get new" do
+  test 'should get new' do
     get new_score_url
     assert_response :success
   end
 
-  test "should create score" do
-    assert_difference("Score.count") do
+  test 'should create score' do
+    assert_difference('Score.count') do
       post scores_url, params: { score: { grade: @score.grade, name: @score.name } }
     end
 
     assert_redirected_to score_url(Score.last)
   end
 
-  test "should show score" do
+  test 'should show score' do
     get score_url(@score)
     assert_response :success
   end
 
-  test "should get edit" do
+  test 'should get edit' do
     get edit_score_url(@score)
     assert_response :success
   end
 
-  test "should update score" do
+  test 'should update score' do
     patch score_url(@score), params: { score: { grade: @score.grade, name: @score.name } }
     assert_redirected_to score_url(@score)
   end
 
-  test "should destroy score" do
-    assert_difference("Score.count", -1) do
+  test 'should destroy score' do
+    assert_difference('Score.count', -1) do
       delete score_url(@score)
     end
 
diff --git a/test/formatters/test_wrapper.rb b/test/formatters/wrapper2_test.rb
similarity index 52%
rename from test/formatters/test_wrapper.rb
rename to test/formatters/wrapper2_test.rb
index e6895c2..98d11e9 100644
--- a/test/formatters/test_wrapper.rb
+++ b/test/formatters/wrapper2_test.rb
@@ -1,7 +1,8 @@
 require_relative '../../lib/formatters/wrapper'
-require 'test/unit'
 
-class TestWrapper < Test::Unit::TestCase
+require 'minitest/autorun'
+
+class Wrapper2Test < Minitest::Test
   def test_wrap_score
     assert_wrap("\
 ********************\n\
@@ -28,18 +29,30 @@ IMIT\", 1]]", "\
                 20)
   end
 
+  def test_carriage_return
+    assert_wrap('text', "text\n\n", 10)
+    assert_wrap('first   ', "first   \n", 10)
+    assert_wrap('first    ', "first    \n", 10)
+    assert_wrap('first     ', "first     \n", 10)
+    assert_wrap("first     \n  second  ", "first\n  second\n", 10)
+
+    assert_wrap("\e[0;35mhello\e[0m   \n\e[0;35m\e[0m\n\e[0;35myop", "\e[0;35mhello\n\nyop", 10)
+  end
+
   private
 
   def assert_wrap(expectation, text, length, prefix = '')
+    show_with_style(text, length, prefix)
     assert_equal(expectation, prefix + Wrapper.wrap(text, prefix, length - prefix.length))
-    test_with_style(text, length, prefix)
   end
 
-  def test_with_style(text, length, prefix = '')
-    begint = "my text is:\n"
-    endoft = "a final is:\n"
-    puts "#{begint}#{prefix}#{text}\e[0m"
-    puts "#{endoft}#{prefix}#{Wrapper.wrap(text, prefix, length - prefix.length)}\e[0m"
+  def show_with_style(text, length, prefix = '')
+    expectation = Wrapper.wrap(text, prefix, length - prefix.length)
+    puts "original_o is:\n#{prefix}[#{text}]\e[0m"
+    puts "original_i is:\n#{prefix}[#{text.inspect}]\e[0m"
+    puts
+    puts "final_o is:\n#{prefix}[#{expectation}]\e[0m"
+    puts "final_i is:\n#{prefix}[#{expectation.inspect}]\e[0m"
     puts
   end
 end
diff --git a/test/models/score_old.rb b/test/models/score_old.rb
new file mode 100644
index 0000000..42a27fd
--- /dev/null
+++ b/test/models/score_old.rb
@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class ScoreTest < ActiveSupport::TestCase
+  test 'the truth' do
+    assert true
+  end
+end
diff --git a/test/models/score_test.rb b/test/models/score_test.rb
deleted file mode 100644
index eeb5563..0000000
--- a/test/models/score_test.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-require "test_helper"
-
-class ScoreTest < ActiveSupport::TestCase
-  # test "the truth" do
-  #   assert true
-  # end
-end
diff --git a/test/system/scores_test.rb b/test/system/scores_old.rb
similarity index 100%
rename from test/system/scores_test.rb
rename to test/system/scores_old.rb