Work often encounter such register an account, there is no need to use the registered data, when you prepare test cases, test data, how to write it?
Thinking: generating a random number, the update data to an initial value (such as +1) on this basis. Now we look at the general idea of the second case.
In cases where the test data with our unified with $ (no_use) instead
In the excel table and then we create a new sheet page (init) to store initialization data
We need to do the following measures when operating excel tables:
1, read the initial value init of no_use of sheet page 
2, add an update no_use method parameter is no_use, write and save excel table
3, test reading excel sheet, comprising determining whether the test data "$ (no_use)" string, where he or dictionary as a value also, if included, to replace the initial value init of the sheet of the page