     the test-cases contained in the sub-tree rooted on the test-suite, plus some
        extra execution time needed by the <span class="emphasis"><em>Unit Test Framework</em></span>.
        For each test-units under a test-suite with time-out, the maximum allowed
        duration is set as being the test-suite time out minus the accumulated execution
        time before the execution of the test-unit. If this test-unit is a test-case,
        it is equivalent to setting the decorator <a class="link" href