Rakefile in embulk-input-zendesk-0.1.2 vs Rakefile in embulk-input-zendesk-0.1.3

@@ -3,10 +3,10 @@
 
 task default: :test
 
 desc "Run tests"
 task :test do
-  ruby("test/run-test.rb", "--use-color=yes", "--collector=dir")
+  ruby("--debug", "test/run-test.rb", "--use-color=yes", "--collector=dir")
 end
 
 desc "Run tests with coverage"
 task :cov do
   ENV["COVERAGE"] = "1"