ENH(TST): actually run all the scripts while testing on travis

Author: yarikoptic

.travis.yml

@@ -20,7 +20,10 @@ install:
   - pip install flake8  # eventually worth
 
 script:
+  # Run tests
   - PYTHONPATH=. nosetests -s -v --with-doctest --with-cov --cover-package . --logging-level=INFO -v .
+  # Actually run all the scripts, contributing to coverage
+  - bash -c 'failed=""; for f in [^_]*py; do python `which coverage` run -a $f || failed+=" $f"; echo "I: done $f. Exit code $?"; done; [ -z "$failed" ] || { echo "Failed: $failed"; exit 1; }'
   # for now failure in flaking is ignored
   - flake8 *py || echo "PEP8 the code"