1) Qualified to make a will 2) Subject to an assessment 
• (a.) Capable of being devised, or given by will. • (a.) Capable of being tested or proved.
A requirement or set of requirements is considered to be testable if an objective and feasible test can be designed to determine whether each requirement has been met.
Test'a·ble adjective [ See Testament .] 1. Capable of being tested or proved. 2. Capable of being devised, or given by will.