nvm use v8
npm test
FAIL tests/index.test.js
Foo
✓ foo (13ms)
Error
✕ just assign global property (18ms)
✕ define property to localStroge (3ms)
✓ define property to _localStroge (17ms)
nvm use v9
npm test
FAIL tests/index.test.js (7.568s)
Foo
✓ foo (7ms)
Error
✕ just assign global property (99ms)
✓ define property to localStroge (100ms)
✓ define property to _localStroge (2ms)