launch.json

{
    "version": "0.2.0",
    "configurations": [
        {
            "name": "Sage: Pytest Doctests",
            "type": "python",
            "request": "launch",
            "module": "pytest",
            "args": [
                "-c",
                "src/tox.ini",
                "--doctest",
                "${file}"
            ],
            "console": "integratedTerminal",
            "justMyCode": false
        },
        {
            "name": "Sage: Pytest",
            "type": "python",
            "request": "launch",
            "module": "pytest",
            "args": [
                "${file}"
            ],
            "console": "integratedTerminal",
            "justMyCode": false
        },
        {
            "name": "Python: Current File",
            "type": "python",
            "request": "launch",
            "program": "${file}",
            "console": "integratedTerminal",
            "justMyCode": false
        },
        {
            "name": "Sage: Test",
            "type": "python",
            "request": "launch",
            "program": "${workspaceFolder}/src/bin/sage-runtests",
            "args": [
                "--verbose",
                "${file}"
            ],
            "console": "integratedTerminal",
            "justMyCode": false
        }
    ],
}