added require methods to test_utils
added require methods to test_utils

NLMichaud/nimble,NLMichaud/nimble,NLMichaud/nimble,NLMichaud/nimble,nxdao2000/nimble,nimble-dev/nimble,nxdao2000/nimble,nimble-dev/nimble,nimble-dev/nimble,nimble-dev/nimble,nxdao2000/nimble,nxdao2000/nimble,nimble-dev/nimble