* test: fix some failing and disabled node specs
These tests were failing due to mismatched stacktraces as a result of
our Module._load hook. This fixes those by adding a flag to optionally
not hook those calls and instead do the asar override eagily.
* ELECTRON_EAGER_ASAR_HOOK => ELECTRON_EAGER_ASAR_HOOK_FOR_TESTING
* test: parallel/test-zlib-unused-weak consistently fails
Co-authored-by: Cheng Zhao <zcbenz@github.com>
