Fix migration tests

I had to make current_query protected, I did not find another way

Author: trasher

src/DBmysql.php

@@ -200,7 +200,7 @@ class DBmysql
 
     private bool $cache_disabled = false;
 
-    private string $current_query;
+    protected string $current_query;
 
     private DBmysqlIterator $iterator;
 
@@ -478,7 +478,7 @@ public function prepare($query)
     }
 
     /**
-     * Give result from a sql result
+     * Give result from a SQL result
      *
      * @param mysqli_result $result MySQL result handler
      * @param int           $i      Row offset to give

src/Migration.php

@@ -36,6 +36,7 @@
 use Glpi\DBAL\Prepared;
 use Glpi\DBAL\QueryExpression;
 use Glpi\DBAL\QueryFunction;
+use Glpi\Exception\Database\StatementException;
 use Glpi\Message\MessageType;
 use Glpi\Progress\AbstractProgressIndicator;
 
@@ -1101,14 +1102,20 @@ private function storeConfig()
                 }
                 if (count($config)) {
                     foreach ($config as $name => $value) {
-                        $this->db->insert(
-                            'glpi_configs',
-                            [
-                                'context' => $context,
-                                'name'    => $name,
-                                'value'   => $value,
-                            ]
-                        );
+                        try {
+                            $this->db->insert(
+                                'glpi_configs',
+                                [
+                                    'context' => $context,
+                                    'name' => $name,
+                                    'value' => $value,
+                                ]
+                            );
+                        } catch (StatementException $e) {
+                            if (!str_contains($e->getMessage(), 'Duplicate entry')) {
+                                throw $e;
+                            }
+                        }
                     }
                     $this->addDebugMessage(sprintf(
                         __('Configuration values added for %1$s (%2$s).'),