nobu	2017-04-23 23:51:08 +0900 (Sun, 23 Apr 2017)

  New Revision: 58459

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=58459

  Log:
    Add diagnostic reports section header [ci skip]

  Modified files:
    trunk/test/lib/test/unit/assertions.rb
Index: test/lib/test/unit/assertions.rb
===================================================================
--- test/lib/test/unit/assertions.rb	(revision 58458)
+++ test/lib/test/unit/assertions.rb	(revision 58459)
@@ -552,11 +552,11 @@ EOT https://github.com/ruby/ruby/blob/trunk/test/lib/test/unit/assertions.rb#L552
           full_message << " exit #{status.exitstatus}" if status.exited?
           full_message << " killed by #{sigdesc}" if sigdesc
           if out and !out.empty?
-            full_message << "\n#{out.b.gsub(/^/, '| ')}"
-            full_message << "\n" if /\n\z/ !~ full_message
+            full_message << "\n" << out.b.gsub(/^/, '| ')
+            full_message.sub!(/(?<!\n)\z/, "\n")
           end
           if log
-            full_message << "\n#{log.b.gsub(/^/, '| ')}"
+            full_message << "Diagnostic reports:\n" << log.b.gsub(/^/, '| ')
           end
           full_message
         end

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