Rakefile in aggro-0.0.1 vs Rakefile in aggro-0.0.2

@@ -1,10 +1,20 @@
 require 'bundler/gem_tasks'
+
+begin
+  require 'rspec/core/rake_task'
+
+  RSpec::Core::RakeTask.new(:spec)
+
+  task default: :spec
+rescue LoadError
+  puts 'no rspec available'
+end