Rakefile in mongoo-0.2.1 vs Rakefile in mongoo-0.2.2

@@ -31,9 +31,15 @@
   test.libs << 'lib' << 'test'
   test.pattern = 'test/**/test_*.rb'
   test.verbose = true
 end
 
+Rake::TestTask.new(:test_async) do |test|
+  test.libs << 'lib' << 'test'
+  test.pattern = 'test/**/test_async*.rb'
+  test.verbose = true
+end
+
 require 'rcov/rcovtask'
 Rcov::RcovTask.new do |test|
   test.libs << 'test'
   test.pattern = 'test/**/test_*.rb'
   test.verbose = true