React native fs path not found

var path = RNFS.DocumentDirectoryPath + '/test.txt';
RNFS.writeFile(path, 'Lorem ipsum dolor sit amet', 'utf8')
.then(success => {
console.log('FILE WRITTEN!');
})
.catch(err => {
console.log(err.message);
});

console.log(RNFS.DocumentDirectoryPath)

/data/user/0/com.xxx/files/test.txt

i can read it from the code, but i can't find it in my device