co⚡e: Sparkplug™ MQTT edge

METHOD Test_IsConnected
VAR
    // Expecteds
    ExpConnect : BOOL := TRUE;
    // Actuals
    ActConnect : BOOL := FALSE;
                             Message  := 'The client has not connected within the set timelimit.' );
    CfUnit.TEST_FINISHED();
    // Disconnect
    FB_MQTT.Disconnect();
END_IF;