Rakefile in asynchronic-0.3.0 vs Rakefile in asynchronic-0.3.1

@@ -3,9 +3,10 @@
 
 Rake::TestTask.new(:spec) do |t|
   t.libs << 'spec'
   t.pattern = 'spec/**/*_spec.rb'
   t.verbose = false
+  t.warning = false
 end
 
 task :console do
   require 'pry'
   require 'asynchronic'
\ No newline at end of file