Electron unit test failed

electron reported an error when running the unit test, but the specific cause of the error was not seen. What is the solution?

karma configuration:

"use strict"

const path = require("path")
const merge = require("webpack-merge")
const webpack = require("webpack")

const baseConfig = require("../../.electron-vue/webpack.renderer.config")
const projectRoot = path.resolve(__dirname, "../../src/renderer")

// Set BABEL_ENV to use proper preset config
process.env.BABEL_ENV = "test"
process.env.NODE_ENV = "test"

let webpackConfig = merge(baseConfig, {
  devtool: "-sharpinline-source-map",
  plugins: [
    new webpack.DefinePlugin({
      "process.env.NODE_ENV": ""testing""
    })
  ]
})

// don"t treat dependencies as externals
delete webpackConfig.entry
delete webpackConfig.externals
delete webpackConfig.output.libraryTarget

// apply vue option to apply isparta-loader on js
/*
webpackConfig.module.rules
  .find(rule => {
    return !Array.isArray(rule) && rule.use instanceof Object && rule.use.loader === "vue-loader"
  }).use.options.loaders.js = "babel-loader"*/

module.exports = config => {
  config.set({
    browsers: ["visibleElectron"],
    client: {
      useIframe: false
    },
    coverageReporter: {
      dir: "./coverage",
      reporters: [
        { type: "lcov", subdir: "." },
        { type: "text-summary" }
      ]
    },
    customLaunchers: {
      "visibleElectron": {
        base: "Electron",
        flags: ["--show"]
      }
    },
    frameworks: ["mocha", "chai"],
    files: ["./index.js"],
    preprocessors: {
      "./index.js": ["webpack", "sourcemap"]
    },
    reporters: ["spec", "coverage"],
    singleRun: true,
    webpack: webpackConfig,
    webpackMiddleware: {
      noInfo: true
    },
    port: 9988,
    listenAddress: "127.0.0.1",
  })
}

error result:

clipboard.png

Mar.08,2022
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e476a5-4c339.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e476a5-4c339.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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