postgres: lazy connection

tests/bootstrap.php

@@ -29,7 +29,8 @@ $connection = new \Dibi\Connection(
 		"dbname" => "mappi-store-test",
 		"port"   => "5434",
 		"user"   => "postgres",
-		"password"=>"toor"
+		"password"=>"toor",
+		"lazy"    => true
 	]
 );