[cache] fix a cache issue with an entity created without relation cache prefill
Prefilling the relation cache has its benefits sometimes, but for
massive imports it may be a memory hog.
The caches should be kept coherent even if there was no prefill.
Closes #3828155.
$(document).ready(function() {
module("air");
test("test 1", function() {
equals(2, 2);
});
test("test 2", function() {
equals('45', '45');
});
module("able");
test("test 3", function() {
same(1, 1);
});
});