Rakefile in activity_notification-1.7.1 vs Rakefile in activity_notification-2.0.0

@@ -1,19 +1,28 @@
 require "bundler/gem_tasks"
 
 task default: :test
 
-require 'rspec/core'
-require 'rspec/core/rake_task'
-desc 'Run RSpec test for the activity_notification plugin.'
-RSpec::Core::RakeTask.new(:test) do |spec|
-  spec.pattern = FileList['spec/**/*_spec.rb']
+begin
+  require 'rspec/core'
+  require 'rspec/core/rake_task'
+  desc 'Run RSpec test for the activity_notification plugin.'
+  RSpec::Core::RakeTask.new(:test) do |spec|
+    spec.pattern = FileList['spec/**/*_spec.rb']
+  end
+rescue LoadError
 end
 
-require 'yard'
-require 'yard/rake/yardoc_task'
-desc 'Generate documentation for the activity_notification plugin.'
-YARD::Rake::YardocTask.new do |doc|
-  doc.files = ['app/**/*.rb', 'lib/**/*.rb']
+begin
+  require 'yard'
+  require 'yard/rake/yardoc_task'
+  desc 'Generate documentation for the activity_notification plugin.'
+  YARD::Rake::YardocTask.new do |doc|
+    doc.files = ['app/**/*.rb', 'lib/**/*.rb']
+  end
+rescue LoadError
 end
 
 Bundler::GemHelper.install_tasks
+
+require File.expand_path('../spec/rails_app/config/application', __FILE__)
+Rails.application.load_tasks