runTest returns with exit 0 on success

silecs-codegen/src/xml/runTests.py

@@ -42,6 +42,8 @@ def runTests():
     print "# Test suite finished - no failures detected ! #"
     print "################################################"
 
+    sys.exit(0)
+
 # ********************** module stand alone code **********************
 if __name__ == "__main__":
     runTests()