fix flappy test

Author: kitop

test/generators/component_generator_test.rb

@@ -7,14 +7,17 @@ class ComponentGeneratorTest < Rails::Generators::TestCase
   setup :prepare_destination
 
   test "Assert all files are properly created" do
+    # reset engines
+    Rails.application.config.app_generators.template_engine nil
+    Rails.application.config.app_generators.stylesheet_engine nil
+    Rails.application.config.app_generators.javascript_engine nil
+
     run_generator %w( widget )
 
     assert_file "app/components/widget/_widget.html.erb"
     assert_file "app/components/widget/widget.css"
     assert_file "app/components/widget/widget.js"
     assert_file "app/components/widget/widget.yml"
-    # Delete generated files so the test don't fail if the order is random
-    FileUtils.remove_dir(File.expand_path("../../tmp", __FILE__))
   end
 
   test "Generates different engines" do
@@ -28,7 +31,5 @@ class ComponentGeneratorTest < Rails::Generators::TestCase
     assert_file "app/components/widget/widget.scss"
     assert_file "app/components/widget/widget.coffee"
     assert_file "app/components/widget/widget.yml"
-    # Delete generated files so the test don't fail if the order is random
-    FileUtils.remove_dir(File.expand_path("../../tmp", __FILE__))
   end
 end