Vimspector + mocha

vimspector-mocha.json

...
"configuration": {
        "request": "launch",
        "name": "Debug mocha Test",
        "type": "node",
        "program": "${workspaceRoot}/node_modules/mocha/bin/mocha",
        "env": {
          "NODE_ENV": "test"
        },
        "args": [
          "--debug-brk",
          "--inspect",
          "${workspaceRoot}",
          "--recursive test",
          "--require @babel/register",
          "--exit",
          "--timeout 5000"
        ],
        "console": "integratedTerminal",
        "skipFiles": ["<node_internals>/**/*.js"],
        "internalConsoleOptions": "neverOpen",
        "port": 9229
      }
...