Added projection tests to rake:test

disco-railties/lib/rails-disco/railtie.rb

@@ -3,6 +3,7 @@ module RailsDisco
   class Railtie < Rails::Railtie
     rake_tasks do
       load 'tasks/db.rake'
+      load 'tasks/testing.rake'
     end
   end
 end

disco-railties/lib/tasks/testing.rake

@@ -0,0 +1,15 @@
+require 'rake/testtask'
+require 'rails/test_unit/sub_test_task'
+
+desc 'Runs projection tests'
+
+desc 'Runs test:units, test:functionals, test:generators, test:integration together'
+task :test do
+  Rails::TestTask.test_creator(Rake.application.top_level_tasks).invoke_rake_task
+end
+
+namespace :test do
+  Rails::TestTask.new(projections: "test:prepare") do |t|
+    t.pattern = "test/projections/**/*_test.rb"
+  end
+end