[PATCH 4/5] comctl32/tests: Add further tests for IImageList

[Owen Rudge]

> Owen, also please use more reasonable names for particular tests -
> dotest means nothing.

I agree that the test names are not particularly descriptive. However, I 
chose those names to indicate that the tests match the existing DoTest 
functions. Perhaps both sets of functions should ideally given more 
descriptive names.

Cheers,

Owen