Travis: Try to run the cli testing on Travis

.travis.yml

@@ -18,7 +18,7 @@ env:
 before_install:
 # install needed deps
  - travis_retry sudo apt-get update -qq
- - travis_retry sudo apt-get install -qq python-pygments qt5-default qt5-qmake qtbase5-dev qtcreator libxml2-utils libpcre3 gdb unzip wx-common xmlstarlet
+ - travis_retry sudo apt-get install -qq python-pygments python-pytest qt5-default qt5-qmake qtbase5-dev qtcreator libxml2-utils libpcre3 gdb unzip wx-common xmlstarlet
 
 matrix:
 # do notify immediately about it when a job of a build fails.
@@ -242,6 +242,10 @@ script:
   - qmake
   - make -s -j2
   - cd ../../
+# Testing cli
+ - cd test/cli
+ - python -m pytest test-helloworld.py
+ - cd ../..
 
 notifications:
   irc: