private PerfTest save(PerfTest perfTest) {
		checkNotNull(perfTest);
		// Merge if necessary
		if (perfTest.exist()) {
			Optional<PerfTest> existingPerfTest = perfTestRepository.findOne(idEqual(perfTest.getId()));
			existingPerfTest.ifPresent(perfTest1 -> perfTest1.merge(perfTest));
		} else {
			perfTest.clearMessages();
			perfTestRepository.saveAndFlush(perfTest);
		}
		return perfTest;
	}
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