co⚡e: Sparkplug™ MQTT edge

METHOD PRIVATE Test_Delete : BOOL
VAR_STAT
    _fbWSTRINGBuilder : Sparkplug.FB_WSTRINGBuilder;
    Actual : WSTRING;
    Step : eStep;
IF counit.TEST_ORDERED('Test_Delete') THEN
    _fbWSTRINGBuilder.Append("Hello world");   
                          Message := 'The expected string differs');
    TEST_FINISHED();
END_IF