Refactor helperimage package tests
What does this MR do?
Refactor helperimage package tests
Why was this MR needed?
Some follow up discussions in !1306 (merged)
What are the relevant issue numbers?
Closes #4179 (closed)
Edited by Steve Xuereb
Refactor helperimage package tests
Some follow up discussions in !1306 (merged)
Closes #4179 (closed)