Add spec/support files for WebMock and test coverage

spec/spec_helper.rb

-if ENV['SIMPLECOV']
-  require 'simplecov'
-end
-
-if ENV['COVERALLS']
-  require 'coveralls'
-  Coveralls.wear_merged!
-end
-
 ENV["RAILS_ENV"] ||= 'test'
 require File.expand_path("../../config/environment", __FILE__)
 require 'rspec/rails'
-require 'webmock/rspec'
 require 'email_spec'
 require 'sidekiq/testing/inline'
@@ -18,8 +8,6 @@
 # in spec/support/ and its subdirectories.
 Dir[Rails.root.join("spec/support/**/*.rb")].each { |f| require f }
-WebMock.disable_net_connect!(allow_localhost: true)
-
 RSpec.configure do |config|
   config.use_transactional_fixtures = false
   config.use_instantiated_fixtures  = false

spec/support/coverage.rb

+if ENV['SIMPLECOV']
+  require 'simplecov'
+end
+
+if ENV['COVERALLS']
+  require 'coveralls'
+  Coveralls.wear_merged!
+end

spec/support/webmock.rb

+require 'webmock'
+require 'webmock/rspec'
+
+WebMock.disable_net_connect!(allow_localhost: true)