Looks like an Under 25s/A side is tour the UK again this year. These are the fixtures I have found so far.
Tue 15 July - Worcestershire 2nd XI (3 Day Friendly)
Tue 22 July - MCC (3 Day Friendly)
Mon 28 July - Middlesex 2nd XI (50 over)
Wed 30 July - Middlesex 2nd XI (50 over)