[Issue 20910] Default unittest runner reports wrong unittest count

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20910

moonlightsentinel at disroot.org changed:

           What    |Removed                     |Added
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                 CC|                            |moonlightsentinel at disroot.o
                   |                            |rg

--- Comment #1 from moonlightsentinel at disroot.org ---
The message is wrong, it shows how many modules were tested, not the number of
unittests.

That number is probably not available in the current implementation which
relies on ModuleInfo, see
https://github.com/dlang/druntime/blob/435ae8a21034ef50fa4769e3aaba5778dbc76557/src/core/runtime.d#L602-L617

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