remove var_dumps

tests/bootstrap.php

@@ -55,10 +55,7 @@ if (getenv('DATABASE') == 'mysql') {
 
     $config = parse_ini_file($expand_tilde('~/.my.cnf'));
 
-    var_dump($config);
-
     if (empty($config)) {
-        var_dump("using default mysql config (localhost, root, empty password");
         $config = ['user'=>'root', 'host' => '127.0.0.1', 'password' => ''];
     }