uitest: also print number of skipped tests

Change-Id: I7fbc6513358be252b091154b5ed44d10c8f51c4f
diff --git a/uitest/test_main.py b/uitest/test_main.py
index 72c18ba..41a1b16 100644
--- a/uitest/test_main.py
+++ b/uitest/test_main.py
@@ -99,6 +99,7 @@ if __name__ == '__main__':
    print("Tests run: %d" % result.testsRun)
    print("Tests failed: %d" % len(result.failures))
    print("Tests errors: %d" % len(result.errors))
    print("Tests skipped: %d" % len(result.skipped))
    if not result.wasSuccessful():
        sys.exit(1)
    sys.exit(0)