diff --git a/test/unit/lib/redmine/unified_diff_test.rb b/test/unit/lib/redmine/unified_diff_test.rb
index 6977b1e2e..9b79fae13 100644
--- a/test/unit/lib/redmine/unified_diff_test.rb
+++ b/test/unit/lib/redmine/unified_diff_test.rb
@@ -319,8 +319,10 @@ class Redmine::UnifiedDiffTest < ActiveSupport::TestCase
 
   def test_offset_range_japanese_1
     with_settings :repositories_encodings => '' do
-      diff = Redmine::UnifiedDiff.new(
-               read_diff_fixture('issue-13644-1.diff'), :type => 'sbs')
+      diff =
+        Redmine::UnifiedDiff.new(
+          read_diff_fixture('issue-13644-1.diff'), :type => 'sbs'
+        )
       assert_equal 1, diff.size
       assert_equal 3, diff.first.size
       assert_equal '日本<span></span>', diff.first[1].html_line_left
@@ -330,8 +332,10 @@ class Redmine::UnifiedDiffTest < ActiveSupport::TestCase
 
   def test_offset_range_japanese_2
     with_settings :repositories_encodings => '' do
-      diff = Redmine::UnifiedDiff.new(
-               read_diff_fixture('issue-13644-2.diff'), :type => 'sbs')
+      diff =
+        Redmine::UnifiedDiff.new(
+          read_diff_fixture('issue-13644-2.diff'), :type => 'sbs'
+        )
       assert_equal 1, diff.size
       assert_equal 3, diff.first.size
       assert_equal '<span></span>日本', diff.first[1].html_line_left
@@ -342,8 +346,10 @@ class Redmine::UnifiedDiffTest < ActiveSupport::TestCase
   def test_offset_range_japanese_3
     # UTF-8 The 1st byte differs.
     with_settings :repositories_encodings => '' do
-      diff = Redmine::UnifiedDiff.new(
-               read_diff_fixture('issue-13644-3.diff'), :type => 'sbs')
+      diff =
+        Redmine::UnifiedDiff.new(
+          read_diff_fixture('issue-13644-3.diff'), :type => 'sbs'
+        )
       assert_equal 1, diff.size
       assert_equal 3, diff.first.size
       assert_equal '日本<span>記</span>', diff.first[1].html_line_left
@@ -354,8 +360,10 @@ class Redmine::UnifiedDiffTest < ActiveSupport::TestCase
   def test_offset_range_japanese_4
     # UTF-8 The 2nd byte differs.
     with_settings :repositories_encodings => '' do
-      diff = Redmine::UnifiedDiff.new(
-               read_diff_fixture('issue-13644-4.diff'), :type => 'sbs')
+      diff =
+        Redmine::UnifiedDiff.new(
+          read_diff_fixture('issue-13644-4.diff'), :type => 'sbs'
+        )
       assert_equal 1, diff.size
       assert_equal 3, diff.first.size
       assert_equal '日本<span>記</span>', diff.first[1].html_line_left
@@ -366,8 +374,10 @@ class Redmine::UnifiedDiffTest < ActiveSupport::TestCase
   def test_offset_range_japanese_5
     # UTF-8 The 2nd byte differs.
     with_settings :repositories_encodings => '' do
-      diff = Redmine::UnifiedDiff.new(
-               read_diff_fixture('issue-13644-5.diff'), :type => 'sbs')
+      diff =
+        Redmine::UnifiedDiff.new(
+          read_diff_fixture('issue-13644-5.diff'), :type => 'sbs'
+        )
       assert_equal 1, diff.size
       assert_equal 3, diff.first.size
       assert_equal '日本<span>記</span>ok', diff.first[1].html_line_left