Defaults are not suitable because they are just `MetaJSON` and `MetaYAML`.
"$name/Manifest::Write",
"$name/MetaJSON",
"$name/MetaYAML",
],
test, uses `Test::CPAN::Meta`, checks `META.yml`.
[ 'Test::CPAN::Meta::JSON' ], # Uses `Test::CPAN::Meta::JSON`.
[ 'Test::CPAN::Changes' ],
# Does not check that `Cha
[ 'MetaYAML' ], # Generate `META.yml`.
[ 'MetaJSON' ], # Generate `META.json`.
#
# Installer
#
$self->installer ? (