if ( $ENV{PERL_CORE} ) {
plan skip_all => 'bundle_inc tests will never succeed in PERL_CORE';
}
+elsif ( ! $ENV{MB_TEST_EXPERIMENTAL} ) {
+ plan skip_all => '$ENV{MB_TEST_EXPERIMENTAL} is not set';
+}
elsif ( ! MBTest::check_EUI() ) {
plan skip_all => 'ExtUtils::Installed takes too long on your system';
}