VS Code elixir test setup user tasks

tasks.json

{
    "version": "2.0.0",
    "tasks": [
        {
            "label": "phx.server",
            "type": "shell",
            "command": "iex -S mix phx.server"
        },
        {
            "label": "Run All Tests",
            "command": "mix test",
            "type": "shell",
            "group": "test",
            "presentation": {
                "echo": true,
                "reveal": "always",
                "focus": false,
                "panel": "shared"
            },
            "problemMatcher": [
                "$mixCompileError",
                "$mixCompileWarning",
                "$mixTestFailure"
            ]
        },
        {
            "label": "Run Current Test",
            "command": "mix test ${relativeFile}:${lineNumber}",
            "type": "shell",
            "group": "test",
            "presentation": {
                "echo": true,
                "reveal": "always",
                "focus": false,
                "panel": "shared"
            },
            "problemMatcher": [
                "$mixCompileError",
                "$mixCompileWarning",
                "$mixTestFailure"
            ]
        },
        {
            "label": "Test Current File",
            "command": "mix test ${relativeFile}",
            "group": "test",
            "type": "shell",
            "presentation": {
                "echo": true,
                "reveal": "always",
                "focus": false,
                "panel": "shared"
            },
            "problemMatcher": [
                "$mixCompileError",
                "$mixCompileWarning",
                "$mixTestFailure"
            ]
        },
        {
            "label": "Run Failed Tests",
            "command": "mix test --failed",
            "group": "test",
            "type": "shell",
            "presentation": {
                "echo": true,
                "reveal": "always",
                "focus": false,
                "panel": "shared"
            },
            "problemMatcher": [
                "$mixCompileError",
                "$mixCompileWarning",
                "$mixTestFailure"
            ]
        },
        {
            "label": "Add Saved Test",
            "group": "test",
            "type": "shell",
            "command": "echo -n ${relativeFile}:${lineNumber} > ${workspaceRoot}/.vscode/STORED_TEST",
            "presentation": {
                "echo": true,
                "reveal": "always",
                "focus": false,
                "panel": "shared"
            }
        },
        {
            "label": "Add Saved File Test",
            "group": "test",
            "type": "shell",
            "command": "echo -n ${relativeFile} > ${workspaceRoot}/.vscode/STORED_TEST",
            "presentation": {
                "echo": true,
                "reveal": "always",
                "focus": false,
                "panel": "shared"
            }
        },
        {
            "label": "Delete Saved Test",
            "group": "test",
            "type": "shell",
            "command": "rm ${workspaceRoot}/.vscode/STORED_TEST",
            "presentation": {
                "echo": true,
                "reveal": "never",
                "focus": false,
                "panel": "shared"
            }
        },
        {
            "label": "Run Saved Test",
            "command": "mix test $(cat ${workspaceRoot}/.vscode/STORED_TEST)",
            "type": "shell",
            "group": "test",
            "problemMatcher": [
                "$mixCompileError",
                "$mixCompileWarning",
                "$mixTestFailure"
            ],
            "presentation": {
                "echo": true,
                "reveal": "always",
                "focus": false,
                "panel": "shared"
            }
        }
    ]
}