I came back - my back is hurting and couldn't sleep....

There is one trick that I sometimes use....
It is possible for your module to know if it was "used" versus executed directly. This allows me to put a test driver in the module itself that I use during development that presents more info that just a "pass/fail". If you do this, you will want your .pm to be an executable file under Unix.

#Normal module preamble here...
sub test{
   print "this is a dev test...\n";
}

test() if not caller; ### Run test() if run directly

#Normal rest of module code here....
1;
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