Fill backtrace for Minitest runner.

Change-Id: I4d6d8bf3dccff15e38e2bc0cc7b4fd76dfc8377c
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
diff --git a/plugins/org.eclipse.dltk.ruby.testing/testing/minitest/dltk_plugin.rb b/plugins/org.eclipse.dltk.ruby.testing/testing/minitest/dltk_plugin.rb
index ac48f03..cf7dec0 100644
--- a/plugins/org.eclipse.dltk.ruby.testing/testing/minitest/dltk_plugin.rb
+++ b/plugins/org.eclipse.dltk.ruby.testing/testing/minitest/dltk_plugin.rb
@@ -141,6 +141,7 @@
       DLTKReporter.sendMessage MessageIds::TRACE_START
       DLTKReporter.sendMessage result.failure.to_s
       DLTKReporter.sendMessage result.failure.location
+      result.failure.backtrace.each { |line| DLTKReporter.sendMessage line }
       DLTKReporter.sendMessage MessageIds::TRACE_END
     end
 
@@ -150,6 +151,7 @@
       DLTKReporter.sendMessage MessageIds::TRACE_START
       DLTKReporter.sendMessage result.failure.to_s
       DLTKReporter.sendMessage result.failure.location
+      result.failure.backtrace.each { |line| DLTKReporter.sendMessage line }  
       DLTKReporter.sendMessage MessageIds::TRACE_END
     end