There are 10 recognized Test Playing Countries.
Australia vs England
121
All the commonwealth nations are capable to be on an INTERNATIONAL LEVEL in Cricket The teams who have acquired the Test status include INDIA, South Africa, New Zealand, Australia, West Indies, Pakistan, Sri Lanka, England, Kenya, Zimbabwe, Bangladesh Also look at http://en.wikipedia.org/wiki/Cricket for more knowledge about this helps you out in detail if anything
International Teams under iCC with Full membership(include test cricket ) are 10 34 assosiate members(these teams do not qualify for Test Cricket), 60 affiliate members(These teams play under the rules of ICC & play ICC event of world cricket league).
5 days
750
A cricket test match is played for 5 days.
750
Australia has played test cricket in south Africa in 2009, 2005-06
England
A test match in cricket is the longest format of the game, played over five days between two international teams. It is considered the pinnacle of the sport and is known for its strategic and tactical challenges. Test matches differ from other forms of cricket matches, such as One Day Internationals (ODIs) and Twenty20 (T20) matches, in terms of duration, rules, and traditions.
There are limited over cricket, test match cricket and one day cricket