Quality Assurance

Quality Assurance is an unmarked quest in Fallout 4.

Walkthrough
Go to General Atomics factory and enter the the Quality Assurance department.

There are 3 rooms that when completed reward you by unlocking a safe at the end of the corridor which has fusion cores inside. To complete the training you must enter and complete tasks in 3 different rooms, unlocked by completing the one before it. The first will open after the robots voice introduces you to the training.
 * In the first room, you must punish the child by turning off the radio. This will complete the first training room.
 * In the second room, you must stop the baby from crying by dragging the empty baby bottle into the crib. Alternatively, place the empty baby bottle into the teddy bear's inventory. This will complete the second training room.
 * In the third room, you must remove all dangerous objects from the child's reach by picking up the machete in the fridge, Abraxo cleaner from under the nightstand, and adjustable wrench from under the footrest in the center of the room. Alternatively, you can place/transfer the machete and silver fork into the trash can, which will also complete the third task.

This will complete all of the rooms and unlock the safe.