WIP: Try to prevent Travis job logs from getting cut off by sleeping …

…for 5 seconds in `after_script`

.travis.yml

@@ -23,6 +23,11 @@ install:
   # Noisy output, but useful for debugging npm package dependency version issues:
   #- npm ls
 
+after_script:
+  # Prevent Travis job logs from getting truncated early.
+  # See https://github.com/travis-ci/travis-ci/issues/6421#issuecomment-238137337
+  - sleep 5
+
 matrix:
   include: