tests/ethercat/wago_higen/ethercat@etherlab/master@EthercatNode/process_variables.xml
Fixed new code-generation code, that was making exception with simple variable-to-variable assignments.
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<ProcessVariables xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"/>