private String buildTagString(Set<Tag> tags) {
		List<String> tagStringResult = new ArrayList<>();
		for (Tag each : tags) {
			tagStringResult.add(each.getTagValue());
		}
		return StringUtils.join(tagStringResult, ",");
	}
Get {@link PerfTest} list on the user.

@param user user
@return found {@link PerfTest} list
ngrinder-controller/src/main/java/org/ngrinder/perftest/service/PerfTestService.java