.travis.yml in ably-1.0.7 vs .travis.yml in ably-1.1.0

- old
+ new
@@ -1,16 +1,16 @@
 sudo: false
 env:
-  - RSPEC_RETRY=true PROTOCOL=json
-  - RSPEC_RETRY=true PROTOCOL=msgpack
+  - RSPEC_RETRY=true PARALLEL_TEST_PROCESSORS=4 PROTOCOL=json
+  - RSPEC_RETRY=true PARALLEL_TEST_PROCESSORS=4 PROTOCOL=msgpack
 language: ruby
 rvm:
   - 1.9.3
   - 2.0.0
   - 2.1.10
   - 2.2.0
   - 2.3.6
-  - 2.4.1
-script: bundle exec rspec
+  - 2.4.4
+script: spec/run_parallel_tests
 notifications:
   slack:
     secure: Xe8MwDcV2C8XLGk6O6Co31LpQiRSxsmS7Toy5vM7rHds5fnVRBNn5iX6Q5mXMdLOlnsMhjKLt7zl4fsBOZv+siQ+Us0omZSIYpXCYSCIj8nofReF0Lj8M4oa6lFSL5OuygO7PH+wLKTRxQURGZ6Pi1nHU+RE5izRmsewQHkhtY0=