The testware is:
• The subset of software which helps in performing the testing of application. 
• Testware are required to plan, design, and execute tests. It contains documents, scripts, inputs, expected results, set-up and additional software or utilities used in testing. 
• Testware is term given to combination of all utilities and application software that required for testing a software package.
Testware is special because it has:

•  Different purpose.
•  Different metrics for quality and.
•  Different users.