tsconfig.tests.json

{
    "extends": "./tsconfig.json",
    "compilerOptions": {
        "allowSyntheticDefaultImports": true,
        "resolveJsonModule": true,
        "typeRoots": [
            "./node_modules/@types",
            "./@types"
        ]
    },
    "include": [
        "test/**/*.ts",
        "packages/*/test/**/*.ts"
    ]
}