remove gemfile.lock

spec/spec_helper.rb

@@ -69,6 +69,12 @@
   # Many RSpec users commonly either run the entire suite or an individual
   # file, and it's useful to allow more verbose output when running an
   # individual spec file.
+  if config.files_to_run.one?
+    # Use the documentation formatter for detailed output,
+    # unless a formatter has already been configured
+    # (e.g. via a command-line flag).
+    # config.default_formatter = "doc"
+  end
 
   # Print the 10 slowest examples and example groups at the
   # end of the spec run, to help surface which specs are running