playtest1
/ˈpleɪtɛst/noun
A test in which a product is played, or played with, to assess its quality, safety, or marketability.
Origin
1940s; earliest use found in Portland (Maine) Sunday Telegram. From play + test.
playtest2
/ˈpleɪtɛst/verb
[with object] To test through play the quality, safety, or marketability of (a toy, game, item of sports equipment, etc.); (also) to test through play the quality of (a recording, a musical instrument, etc.).
Origin
1940s; earliest use found in Bridgeport (Connecticut) Sunday Post. Probably from playtest (although this is first attested slightly later).