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/*                                      TraceTest_1                                      *
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/*                     Author: Luis Burdalo (lburdalo@dsic.upv.es)                       *
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/*                                     DESCRIPTION                                       *
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    Simple test with two agents: a PUBLISHER agent and a SUBSCRIBER agent.
    
    The PUBLISHER agent publishes a tracing service called 'DD_Test_TS' which content is
    just a string. Each second, the publisher generates the trace event. After 10
    seconds, the PUBLISHER unpublishes the tracing service and says 'Bye!'.
    
    The SUBSCRIBER agent subscribes to the tracing service 'DD_Test_TS' and waits for 10
    seconds for trace events to arrive. After this time, the SUBSCRIBER agent
    unsubscribes from the tracing service and says 'Bye!'. Each time a trace event is
    received, the SUBSCRIBER prints its content on the screen.
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