[
{
"os": [
"win",
"linux",
"mac",
"chromeos_ash"
],
"policy_pref_mapping_tests": [
{
"policies": {
"TabDiscardingExceptions": [
"example.com"
]
},
"prefs": {
"performance_tuning.tab_discarding.exceptions_managed": {
"value": [
"example.com"
]
}
}
}
]
}
]