ore the call to run_test().</p><p>If the specified test_name cannot be created by the <a href="../base/uvm_factory-svh.html#uvm_factory" class=LClass id=link9 onMouseOver="ShowTip(event, 'tt8', 'link9')" onMouseOut="HideTip('tt8')">uvm_factory</a>, then a fatal error occurs.&nbsp; If run_test() is called without UVM_TESTNAME being specified, then all components constructed before the call to run_test will be cycled through their simulation phases.</p><p>Deriving from uvm_test will allow you to distinguish t