test: remove isGlibc from common
The common.isGlibc()
function is called exactly once from only
one test. There's no reason for it to be in require('../common')
at the current time. If it ends up needing to be used by multiple
tests, it can easily be moved into it's own common sub-module
(e.g. require('../common/isglibc')
... for now tho, just move
it into the one test that uses it and simplify the implementation
a bit to remove unnecessary caching.
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
tests and/or benchmarks are included -
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