helper.rb in ardb-0.21.0

- old
+ new

@@ -4,9 +4,10 @@
 # add the root dir to the load path
 $LOAD_PATH.unshift(File.expand_path("../..", __FILE__))
 
 # require pry for debugging (`binding.pry`)
 require 'pry'
+require 'assert-mocha' if defined?(Assert)
 
 ENV['ARDB_DB_FILE'] = 'tmp/testdb/config/db'
 require 'ardb'
 Ardb.init(false)