public void clearAllPerfTest() {
		List<PerfTest> findAll = perfTestRepository.findAll();
		for (PerfTest perfTest : findAll) {
			perfTest.getTags().clear();
		}
		perfTestRepository.saveAll(findAll);
		perfTestRepository.flush();
		perfTestRepository.deleteAll();
		perfTestRepository.flush();
		tagRepository.deleteAll();
		tagRepository.flush();
	}
In addition {@link org.ngrinder.AbstractNGrinderTransactionalTest}, this class provides basic function to
create {@link org.ngrinder.model.PerfTest} and run the test.

@since 3.0
ngrinder-controller/src/test/java/org/ngrinder/perftest/service/AbstractPerfTestTransactionalTest.java