public File getLogFile(long testId, String fileName) {
		return new File(getLogFileDirectory(String.valueOf(testId)), fileName);
	}
Get log file names for give test id.

@param testId   test id
@param fileName file name of one logs of the test
@return file report file path
ngrinder-controller/src/main/java/org/ngrinder/perftest/service/PerfTestService.java