.github/workflows/travis-ci.yml: Update run-tests => run-tests.py.
.github/workflows/travis-ci.yml: Update run-tests => run-tests.py.

Change-Id: I5b7116d8164f2ee9fd0cad7ca96060b14f90a6d7
Signed-off-by: Paul Sokolovsky <9dc5061f178bb11813e14f1ed02ba27eaf21fa5d@users.sourceforge.net>

pfalcon/micropython,pfalcon/micropython,pfalcon/micropython,pfalcon/micropython,pfalcon/micropython