Introduce rspec-retry (#7206)

Gemfile

@@ -111,6 +111,7 @@ group :test do
   gem 'microformats', '~> 4.0'
   gem 'rails-controller-testing', '~> 1.0'
   gem 'rspec-sidekiq', '~> 3.0'
+  gem 'rspec-retry', '~> 0.5', require: false
   gem 'simplecov', '~> 0.14', require: false
   gem 'webmock', '~> 3.3'
   gem 'parallel_tests', '~> 2.21'

Gemfile.lock

@@ -495,6 +495,8 @@ GEM
       rspec-expectations (~> 3.7.0)
       rspec-mocks (~> 3.7.0)
       rspec-support (~> 3.7.0)
+    rspec-retry (0.5.7)
+      rspec-core (> 3.3)
     rspec-sidekiq (3.0.3)
       rspec-core (~> 3.0, >= 3.0.0)
       sidekiq (>= 2.4.0)
@@ -715,6 +717,7 @@ DEPENDENCIES
   redis-rails (~> 5.0)
   rqrcode (~> 0.10)
   rspec-rails (~> 3.7)
+  rspec-retry (~> 0.5)
   rspec-sidekiq (~> 3.0)
   rubocop
   ruby-oembed (~> 0.12)

spec/spec_helper.rb

@@ -1,3 +1,4 @@
+require 'rspec/retry'
 require 'simplecov'
 
 GC.disable
@@ -11,6 +12,9 @@ end
 gc_counter = -1
 
 RSpec.configure do |config|
+  config.verbose_retry = true
+  config.display_try_failure_messages = true
+
   config.expect_with :rspec do |expectations|
     expectations.include_chain_clauses_in_custom_matcher_descriptions = true
   end
@@ -25,6 +29,10 @@ RSpec.configure do |config|
     end
   end
 
+  config.around :each do |ex|
+    ex.run_with_retry retry: 3
+  end
+
   config.before :suite do
     Chewy.strategy(:bypass)
   end