Rakefile in hash_diff-0.7.0 vs Rakefile in hash_diff-0.8.0

@@ -1,7 +1,14 @@
 require "bundler/gem_tasks"
+
+begin
+  require 'rspec/core/rake_task'
+  RSpec::Core::RakeTask.new(:spec)
+  task default: :spec
+rescue LoadError
+end