Remove bin/yarn if yarn is skipped, tidy up tests

- No need to remove bin/yarn separately for API only apps because
  :skip_yarn is set to true for API only apps.
- Added a test for :skip_yarn config.

1 files changed, 2 insertions, 2 deletions

diff --git a/railties/lib/rails/generators/rails/app/app_generator.rb b/railties/lib/rails/generators/rails/app/app_generator.rb
index eb66b0b16a..8efdfdcb44 100644
--- a/railties/lib/rails/generators/rails/app/app_generator.rb
+++ b/railties/lib/rails/generators/rails/app/app_generator.rb
@@ -350,8 +350,8 @@ module Rails
         end
       end
 
-      def delete_bin_yarn_if_api_option
-        remove_file "bin/yarn" if options[:api]
+      def delete_bin_yarn_if_skip_yarn_option
+        remove_file "bin/yarn" if options[:skip_yarn]
       end
 
       def finish_template