Configure rspec's --only-failures flag

This config stores information about passing/failing tests in examples.txt
And allows to run `rspec --only-failures` that only runs the failed tests
From the previous run

spec/dummy-app/spec/spec_helper.rb

@@ -44,6 +44,11 @@
   # triggering implicit auto-inclusion in groups with matching metadata.
   config.shared_context_metadata_behavior = :apply_to_host_groups
 
+  # Allows RSpec to persist some state between runs in order to support
+  # the `--only-failures` and `--next-failure` CLI options. We recommend
+  # you configure your source control system to ignore this file.
+  config.example_status_persistence_file_path = "spec/examples.txt"
+
 # The settings below are suggested to provide a good initial experience
 # with RSpec, but feel free to customize to your heart's content.
 =begin
@@ -54,10 +59,7 @@
   # metadata: `fit`, `fdescribe` and `fcontext`, respectively.
   config.filter_run_when_matching :focus
 
-  # Allows RSpec to persist some state between runs in order to support
-  # the `--only-failures` and `--next-failure` CLI options. We recommend
-  # you configure your source control system to ignore this file.
-  config.example_status_persistence_file_path = "spec/examples.txt"
+  
 
   # Limits the available syntax to the non-monkey patched syntax that is
   # recommended. For more details, see: