travis: fix matrix for build stages

.travis.yml

@@ -9,20 +9,19 @@ python:
 env:
   - TYPE="ext"
   - TYPE="noext"
-jobs:
+os: linux
-  include:
+dist: xenial
-    - stage: test
+cache: pip
-      os: linux
+addons:
-      dist: xenial
-      cache: pip
-      addons:
   apt:
     packages:
       - build-essential
-      install:
+install:
   - echo meow # do not run pip
-      script:
+script:
   - bash run-tests.sh $TYPE
+jobs:
+  include:
     - stage: deploy
       os: linux
       dist: xenial