SingleConsole startConsole(PerfTest perfTest) {
		perfTestService.markStatusAndProgress(perfTest, START_CONSOLE, "Console is being prepared.");
		// get available consoles.
		ConsoleProperties consoleProperty = perfTestService.createConsoleProperties(perfTest);
		SingleConsole singleConsole = consoleManager.getAvailableConsole(consoleProperty);
		singleConsole.start();
		perfTestService.markPerfTestConsoleStart(perfTest, singleConsole.getConsolePort());
		return singleConsole;
	}
Start a console for given {@link PerfTest}.

@param perfTest perftest
@return started console
ngrinder-controller/src/main/java/org/ngrinder/perftest/service/PerfTestRunnable.java