What Is Incremental Integration Testing?

It is a process where all the units of a system are 

integrated consequtively and integrated in step by step

process by incrementing the levels of testing at one end to

other end.

       Incremental Integration testing is the testing of the 

application by adding new functionalities to an application.

It is a continous testing activity in which the application

is tested by adding new functionalities. These type of

testing is performed by programmer, software engineer, test

engineers.