The data which is used to test the condition inorder to 
determine whether we obtained the expected result is called 
test data.

hi,

Test data is nothing but what input values  has to enter to 
test with expected values.

Test data is input values has enter to test the particaler 
function.

hi!
test data is nothing but the input data to execute the test 
case

A set of data developed specifically to test the adequacy 
of a computer run or system; the data may be actual data 
that has been taken from previous operations, or artificial 
data created for this purpose.

set of input elements used in the testing process