test/helper.rb in fluent-plugin-flowcounter-0.4.3 vs test/helper.rb in fluent-plugin-flowcounter-1.0.0

@@ -10,9 +10,10 @@
 require 'test/unit'
 
 $LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
 $LOAD_PATH.unshift(File.dirname(__FILE__))
 require 'fluent/test'
+require 'fluent/test/driver/output'
 require 'fluent/plugin/out_flowcounter'
 
 class Test::Unit::TestCase
 end