Definitions for "Unit test"
The test which is executed by the developer in a laboratory environment, that should demonstrate that a program meets the requirements set in the design specifications.
a highly localized test
a low level, detailed test of interfaces that developers run on the code that they are working with
an automated exercise of code
a piece of code that exercises another piece of code
a piece of code that exercises a unit of code and reports how the actual behavior of the code compares with the expected behavior
Keywords:  lemma, proof, way
a lemma on the way to a proof
a managed method that is marked with the TestMethod attribute
Keywords:  lua, script, checks, written, function
a script written in Lua that calls the function and checks the result
The process of debugging an individual component of an application.
Keywords:  savings, future, investment, time
an investment in time savings for the future