It’s onto the knockout round of the Women’s World Cup for the defending champions, and the US looked convincing enough in a much-hyped grudge match against Sweden. Now with the stakes raised as teams start dropping like flies, here is a look at the key takeaways from the US women’s national team victory over Sweden to stay perfect through three matches and top Group F. This wasn’t the reassuring test US fans might’ve hoped for After the US coasted past Thailand and Chile, Sweden was supposed to finally offer the test that would to an end to questions about the USA’s steel. But the team’s win, while convincing, needs to be qualified a bit. With Sweden already guaranteed a spot in the round of 16, Sweden manager Peter Gerhardsson was clearly looking past the USA and ahead to the first game of the knockout round. He rotated out seven players who had started in Sweden’s previous match and gave a handful of players their first minutes of the tournament. “We knew we didn’t have much time between these matches,” he said. “We played tonight, we’ll have the bus trip tomorrow and recuperate, and we play again Monday. That’s the match…