All four of them being unable to face Adam left a sour taste in their mouths, but they had also realised what they needed to improve on and how well they could fight as a team.
Fighting using most of his physical power alone, Adam was on the offensive while the leaders were on the defensive and trying to work together, but they were missing the speed and aerial support that Cole was supposed to offer.
They were able to notice that and also realised that they were unable to fully get their attacks and movements in sync and also couldn't even handle Adam who was holding back.
However at the same time, it was merely a spar and they had also held back their most powerful attacks, wanting only to test the waters against Adam and see how well they could work in a team.