the ability to select which test to execute using the UVM_TESTNAME command line or argument to the <a href="../base/uvm_root-svh.html#uvm_root.run_test" class=LMethod id=link8 onMouseOver="ShowTip(event, 'tt7', 'link8')" onMouseOut="HideTip('tt7')">uvm_root::run_test</a> task.</p><p>For example</p><blockquote><pre>prompt&gt; SIM_COMMAND +UVM_TESTNAME=test_bus_retry</pre></blockquote><p>The global run_test() task should be specified inside an initial block such as</p><blockquote><pre>initial run_test();</pre