added error propagation to

Author: osingaatje

run_tests.py

@@ -27,8 +27,8 @@
 
     if utest:
         utestrun = unittest.main(module=None,
-                             argv=[__file__, 'discover', os.path.join(THIS_DIR, 'utest')],
-                             exit=False)
+                                 argv=[__file__, 'discover', os.path.join(THIS_DIR, 'utest')],
+                                 exit=False)
         if not utestrun.result.wasSuccessful():
             sys.exit(1)
 
@@ -40,8 +40,10 @@
         # Adding the robotframeworkMBT folder to the python path forces the development
         # version to be used instead of the one installed on your system. You will also
         # need to add this path to your IDE options when running from there.
-        robot.run_cli(['--outputdir', OUTPUT_ROOT,
-                       '--pythonpath', THIS_DIR]
-                       + sys.argv[1:], exit=False)
+        exit_code: int = robot.run_cli(['--outputdir', OUTPUT_ROOT,
+                                        '--pythonpath', THIS_DIR]
+                                       + sys.argv[1:], exit=False)
         if utest:
             print(f"Also ran {utestrun.result.testsRun} unit tests")
+
+        sys.exit(exit_code)