Rakefile in spring-0.0.2 vs Rakefile in spring-0.0.3

@@ -1,10 +1,21 @@
 require "bundler/gem_tasks"
 require "rake/testtask"
 
-Rake::TestTask.new do |t|
-  t.libs << "test"
-  t.test_files = FileList["test/{acceptance,unit}/*_test.rb"]
-  t.verbose = true
+namespace :test do
+  Rake::TestTask.new(:unit) do |t|
+    t.libs << "test"
+    t.test_files = FileList["test/unit/*_test.rb"]
+    t.verbose = true
+  end
+
+  Rake::TestTask.new(:acceptance) do |t|
+    t.libs << "test"
+    t.test_files = FileList["test/acceptance/*_test.rb"]
+    t.verbose = true
+  end
+
+  desc 'run all tests'
+  task all: [:unit, :acceptance]
 end
 
-task default: :test
+task default: 'test:all'