private boolean canExecuteMore() {
		return consoleManager.getConsoleInUse().size() < perfTestService.getMaximumConcurrentTestCount();
	}
Scheduled method for test execution. This method dispatches the test
candidates and run one of them. This method is responsible until a test
is executed.
ngrinder-controller/src/main/java/org/ngrinder/perftest/service/PerfTestRunnable.java