Last week, The Testaments dug deeper into Aunt Lydia’s backstory , revisiting an agonizing moment in her past that illuminated—sort of—the decisions she’s been making in the present. For this week’s episode, “Commitment,” the show brought back another familiar character from The Handmaid’s Tale to give some fresh perspective on the events we’ve been seeing in the show so far. In Gilead, “commitment” is a word with extra weight to it, and the events of episode seven brought that even more sharply into focus “Commitment” fills in more blanks for Daisy (Lucy Halliday) and her emotionally fraught journey to becoming a Mayday operative. As June (Elisabeth Moss) has already revealed, Gilead ordered the murders of Daisy’s adoptive parents and would dearly love to reclaim the teenager who escaped its borders as a young child. In the tumultuous days after Daisy learns this information, she’s brought to a safe house: the home of Rita (Amanda Brugel).…