protected List<PerfTest> filterCurrentlyRunningTestUsersTest(List<PerfTest> perfTestLists) {
		List<PerfTest> currentlyRunningTests = getCurrentlyRunningTest();
		final Set<User> currentlyRunningTestOwners = newHashSet();
		for (PerfTest each : currentlyRunningTests) {
			currentlyRunningTestOwners.add(each.getCreatedBy());
		}
		return perfTestLists.stream()
			.filter(perfTest -> !currentlyRunningTestOwners.contains(perfTest.getCreatedBy()))
			.collect(toList());
	}
Filter out {@link PerfTest} whose owner is running another test now..

@param perfTestLists perf test
@return filtered perf test
ngrinder-controller/src/main/java/org/ngrinder/perftest/service/PerfTestService.java