gistfile1.txt

$ yarn run preTest
yarn run v1.22.4
warning ../../../package.json: No license field
$ node -r esm src/testing-utils/preTest.js
(node:5548) UnhandledPromiseRejectionWarning: Error: Invalid JSON RPC response: ""
    at Object.InvalidResponse (/home/solidity/Code/RTradeLtd/ens-app/node_modules/web3-core-helpers/src/errors.js:42:16)
    at XMLHttpRequest.request.onreadystatechange (/home/solidity/Code/RTradeLtd/ens-app/node_modules/web3/node_modules/web3-providers-http/src/index.js:73:32)
    at XMLHttpRequestEventTarget.dispatchEvent (/home/solidity/Code/RTradeLtd/ens-app/node_modules/web3/node_modules/xhr2/lib/xhr2.js:64:18)
    at XMLHttpRequest._setReadyState (/home/solidity/Code/RTradeLtd/ens-app/node_modules/web3/node_modules/xhr2/lib/xhr2.js:354:12)
    at XMLHttpRequest._onHttpRequestError (/home/solidity/Code/RTradeLtd/ens-app/node_modules/web3/node_modules/xhr2/lib/xhr2.js:544:12)
    at ClientRequest.<anonymous> (/home/solidity/Code/RTradeLtd/ens-app/node_modules/web3/node_modules/xhr2/lib/xhr2.js:414:24)
    at ClientRequest.emit (events.js:198:13)
    at ClientRequest.EventEmitter.emit (domain.js:448:20)
    at Socket.socketErrorListener (_http_client.js:392:9)
    at Socket.emit (events.js:198:13)
    at Socket.EventEmitter.emit (domain.js:448:20)
    at emitErrorNT (internal/streams/destroy.js:91:8)
    at emitErrorAndCloseNT (internal/streams/destroy.js:59:3)
    at process._tickCallback (internal/process/next_tick.js:63:19)
(node:5548) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1)
(node:5548) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
Done in 1.51s.