.github/workflows/travis-ci.yml: minimal: Exclude latest subclass tests.
.github/workflows/travis-ci.yml: minimal: Exclude latest subclass tests.

Change-Id: I93c2149013a5f9b2ad51b48ab1aa66cfff5ece9c
Signed-off-by: Paul Sokolovsky <9dc5061f178bb11813e14f1ed02ba27eaf21fa5d@users.sourceforge.net>

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