Work around enable debugging and logging

[CS-Jfilmer]

I'm not sure if this is a permanent solution (as I'm not sure what function detach:true was serving) but this enables people to easily get logs and attach a debugger to the test process which fixes https://github.com/facebook-atom/jest-electron-runner/issues/30

My rough vscode launch config below (was altered to remove a bunch of implementation specific details, so might not work if you copy exactly, but point is you use a compound launch task to 1. start the test and 2. connect to the process running the test at JEST_ELECTRON_RUNNER_DEBUG_PORT

{
    "version": "0.2.0",
    "compounds": [
        {
            "name": "Electron - Run test file",
            "configurations": ["Run test file", "Connect to electron main"]
        }
    ],
    "configurations": [
        {
            "name": "Run tests",
            "type": "node",
            "request": "launch",
            "env": {
                "JEST_ELECTRON_RUNNER_DEBUG_PORT": "8500"
            },
            "program": "node_modules/jest/bin/jest.js",
            "args": [
                "${command:currentDistFile}",
                "--runInBand",
            ],
            "console": "integratedTerminal",
        },
        {
            "name": "Connect to electron main",
            "type": "node",
            "request": "attach",
            "port": 8500,
            "address": "localhost",
            "timeout": 30000,
            "restart":true
        },
    ]
}

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