RUBY-1371 Use a concise instafailing formatter in CI (#4569)

Author: p-mongo

.rspec

@@ -1,3 +1,3 @@
 --tty
 --colour
---format <%= ENV["CI"] ? 'progress' : 'Fuubar'%>
+--format <%= ENV["CI"] ? 'Rfc::Riff' : 'Fuubar'%>

Gemfile

@@ -10,10 +10,11 @@ group :test do
   gem 'rspec-retry'
   gem 'benchmark-ips'
   gem 'rspec', '~> 3.7'
+  gem 'fuubar'
+  gem 'rfc'
   platforms :mri do
     gem 'timeout-interrupt'
   end
-  gem 'fuubar'
 end
 
 group :development, :testing do

gemfiles/driver_master.gemfile

@@ -11,6 +11,8 @@ group :test do
   gem 'rspec-retry'
   gem 'benchmark-ips'
   gem 'rspec', '~> 3.7'
+  gem 'fuubar'
+  gem 'rfc'
   platforms :mri do
     gem 'timeout-interrupt'
   end

gemfiles/rails_master.gemfile

@@ -8,6 +8,8 @@ group :test do
   gem 'rspec-retry'
   gem 'benchmark-ips'
   gem 'rspec', '~> 3.7'
+  gem 'fuubar'
+  gem 'rfc'
   platforms :mri do
     gem 'timeout-interrupt'
   end

spec/lite_spec_helper.rb

@@ -6,13 +6,22 @@
 require "mongoid"
 require "rspec"
 
-begin
-  require 'byebug'
-rescue LoadError
-end
-
 require 'support/spec_config'
 
+unless SpecConfig.instance.ci?
+  begin
+    require 'byebug'
+  rescue LoadError
+    # jruby - try pry
+    begin
+      require 'pry'
+    # jruby likes to raise random error classes, in this case
+    # NameError in addition to LoadError
+    rescue Exception
+    end
+  end
+end
+
 if SpecConfig.instance.mri?
   require 'timeout_interrupt'
 else