test run failed after update node version from 12 to 14.
Environment
Version: v14.4.0
"@openzeppelin/test-environment": "^0.1.4",
"@openzeppelin/test-helpers": "^0.5.6"
Details
I got the same error use clear code way after test run failed。
Code to reproduce
// JS: main.js
function square(x) {
return new Promise(resolve => {
setTimeout(() => {
resolve(Math.pow(x, 2));
}, 1000);
});
}
const { accounts } = require('@openzeppelin/test-environment');
const { balance } = require('@openzeppelin/test-helpers');
console.log("Version:", process.version)
square(222).then(data => {
console.log("Good Call:", data);
}).then(() => {
balance.current(accounts[0]).then(v => {
console.log("balance:", v)
})
});
// File: package.json
{
"name": "asynctest",
"version": "1.0.0",
"description": "",
"main": "main.js",
"dependencies": {},
"devDependencies": {
"@openzeppelin/test-environment": "^0.1.4",
"@openzeppelin/test-helpers": "^0.5.6"
},
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"keywords": [],
"author": "",
"license": "ISC"
}
error info
asynctest node main.js
Version: v14.4.0
Good Call: 49284
/Users/ysqi/Downloads/asynctest/node_modules/ganache-core/node_modules/merkle-patricia-tree/node_modules/async/lib/async.js:358
callback(err);
^
Error: Callback was already called.
at /Users/ysqi/Downloads/asynctest/node_modules/ganache-core/node_modules/merkle-patricia-tree/node_modules/async/lib/async.js:43:36
at WriteStream.<anonymous> (/Users/ysqi/Downloads/asynctest/node_modules/ganache-core/node_modules/merkle-patricia-tree/node_modules/async/lib/async.js:358:17)
at WriteStream.emit (events.js:315:20)
at WriteStream.destroy (/Users/ysqi/Downloads/asynctest/node_modules/ganache-core/node_modules/level-ws/level-ws.js:140:8)
at finish (_stream_writable.js:658:14)
at processTicksAndRejections (internal/process/task_queues.js:84:21)