cleanup: rubocop: fix Layout/IndentHeredoc in Redmine::UnifiedDiffTest#test_both_git_diff

git-svn-id: http://svn.redmine.org/redmine/trunk@18971 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/unit/lib/redmine/unified_diff_test.rb

@@ -171,22 +171,21 @@ DIFF
   end
 
   def test_both_git_diff
-    diff = Redmine::UnifiedDiff.new(<<-DIFF
-# HG changeset patch
-# User test
-# Date 1348014182 -32400
-# Node ID d1c871b8ef113df7f1c56d41e6e3bfbaff976e1f
-# Parent  180b6605936cdc7909c5f08b59746ec1a7c99b3e
-modify test1.txt
+    diff = Redmine::UnifiedDiff.new(<<~DIFF)
+      # HG changeset patch
+      # User test
+      # Date 1348014182 -32400
+      # Node ID d1c871b8ef113df7f1c56d41e6e3bfbaff976e1f
+      # Parent  180b6605936cdc7909c5f08b59746ec1a7c99b3e
+      modify test1.txt
 
-diff -r 180b6605936c -r d1c871b8ef11 test1.txt
---- a/test1.txt
-+++ b/test1.txt
-@@ -1,1 +1,1 @@
--test1
-+modify test1
-DIFF
-    )
+      diff -r 180b6605936c -r d1c871b8ef11 test1.txt
+      --- a/test1.txt
+      +++ b/test1.txt
+      @@ -1,1 +1,1 @@
+      -test1
+      +modify test1
+    DIFF
     assert_equal 1, diff.size
     assert_equal "test1.txt", diff[0].file_name
   end