@PutMapping("/{id}")
	public PerfTest update(User user, @PathVariable Long id, @RequestBody PerfTest perfTest) {
		PerfTest existingPerfTest = getOneWithPermissionCheck(user, id, false);
		perfTest.setId(id);
		validate(user, existingPerfTest, perfTest);
		return perfTestService.save(user, perfTest);
	}
Update the given perf test.

@param user     user
@param id       perf test id
@param perfTest perf test configuration changes
@return json message
ngrinder-controller/src/main/java/org/ngrinder/perftest/controller/PerfTestApiController.java