Semi-blind attempt to fix
6a1d0d470 to work on Windows,
along the same lines as
a70f2a57f. Per buildfarm.
# Initialize the server with specific low connection limits
my $node = PostgreSQL::Test::Cluster->new('primary');
-$node->init;
+$node->init(
+ 'auth_extra' => [
+ '--create-role', 'regress_regular,regress_reserved,regress_superuser'
+ ]);
$node->append_conf('postgresql.conf', "max_connections = 6");
$node->append_conf('postgresql.conf', "reserved_connections = 2");
$node->append_conf('postgresql.conf', "superuser_reserved_connections = 1");