db={"test":[{"_id":"670e362adbbe1ff03860a2e1","testHistory":[{"executionDate":{"$date":"2024-10-13"},"results":[1,2]},{"executionDate":{"$date":"2024-10-14"},"results":[3,4]},{"executionDate":{"$date":"2024-10-15"},"results":[]}]}]}

db.test.update({"_id":"670e362adbbe1ff03860a2e1"},{$push:{"testHistory.$[elem].results":5}},{arrayFilters:[{"elem":??}]})