vcr.rb in slack-ruby-client-0.15.1

- old
+ new

@@ -5,6 +5,10 @@
 VCR.configure do |config|
   config.cassette_library_dir = 'spec/fixtures/slack'
   config.hook_into :webmock
   # config.default_cassette_options = { record: :new_episodes }
   config.configure_rspec_metadata!
+  config.before_record do |i|
+    i.request.body.gsub!(ENV['SLACK_API_TOKEN'], 'token') if ENV.key?('SLACK_API_TOKEN')
+    i.response.body.force_encoding('UTF-8')
+  end
 end