Nobody knew how they would react to all the controversy and upheaval regarding David Warner and Steve Smith's return to international cricket. Nor whether Mitchell Starc would be the same force as in 2015. After 932 runs from the former pair, and 26 wickets from the latter.
England have been outstanding in their two latest must-win matches, doing what they do best - compiling unattainable totals. In comfortably defeating India and fellow semi-finalists New Zealand, their pedigree has been re-affirmed.