Programmers should be involved with testing and developing testable software. Since this is generally accepted, and programmers do have the best understanding of the code, why doesn't IT departments just trust them to do all of the testing?

a Programmers tend to be blinded by bias

b Programmers generally have poor commincation skills

c Testing is done by programmers; This how entry level delopers learn how to code

d Programmers are expensive to employ

e There needs to be something for IT majors with no coding skills to do