.travis.yml in protocol-http1-0.10.3 vs .travis.yml in protocol-http1-0.11.0

@@ -1,11 +1,12 @@
 language: ruby
 dist: xenial
 cache: bundler
 
+script: bundle exec rspec
+
 matrix:
   include:
-    - rvm: 2.4
     - rvm: 2.5
     - rvm: 2.6
     - rvm: 2.7
     - rvm: 2.6
       env: COVERAGE=PartialSummary,Coveralls