.travis.yml in ably-0.8.15 vs .travis.yml in ably-1.0.0

@@ -1,11 +1,13 @@
 sudo: false
-env: RSPEC_RETRY=false
+env:
+  - RSPEC_RETRY=true PROTOCOL=json
+  - RSPEC_RETRY=true PROTOCOL=msgpack
 language: ruby
 rvm:
-- 1.9.3
-- 2.0.0
-- 2.2.0
+  - 1.9.3
+  - 2.0.0
+  - 2.2.0
 script: bundle exec rspec
 notifications:
   slack:
     secure: Xe8MwDcV2C8XLGk6O6Co31LpQiRSxsmS7Toy5vM7rHds5fnVRBNn5iX6Q5mXMdLOlnsMhjKLt7zl4fsBOZv+siQ+Us0omZSIYpXCYSCIj8nofReF0Lj8M4oa6lFSL5OuygO7PH+wLKTRxQURGZ6Pi1nHU+RE5izRmsewQHkhtY0=