It replicates a smaller-scale test drop tried on Naval Base Guam in 2010, he said.

CNN: Deadly mice to rain down on Guam snakes

The 2003 World Cup winner has featured for England in every Test in the past 12 months, but has been plagued by injuries since slotting the drop-goal to beat Australia in the final seven years ago.

BBC: Jonny Wilkinson out of November Tests through injury

The current test includes verbal and non-verbal reasoning, which are not taught in primary schools and need coaching but the new test may drop that element and place the emphasis on English and Maths, which are taught in classrooms, BBC South East Today's political correspondent John Young explained.

BBC: Kent 11-plus overhaul 'to tackle coaching culture'