$ XXX=unset perl -E 'say "$$: XXX=$ENV{XXX}"; print `export XXX=xxx; echo \$\$: XXX=\$XXX`; say "$$: XXX=$ENV{XXX}"'
3494: XXX=unset
3495: XXX=xxx
3494: XXX=unset

##</code><code>##

BEGIN { require Module; Module->import( LIST ); }

##</code><code>##

ok $ENV{whatever} eq $whatever_expected_value, ...

##</code><code>##

DYLD_LIBRARY_PATH=... ORACLE_HOME=... make test