Added stub errorInfo() to prevent upstream issues.

Native PDO code expects constructor called for the method to work and returns `null` under circumstances.

Author: Rarst

src/FakePdoStatementTrait.php

@@ -601,4 +601,9 @@ private function getExecutedSql(?array $params) : string
 
         return $sql;
     }
+
+    public function errorInfo(): array
+    {
+        return ['00000', 0, 'PHP MySQL Engine: errorInfo() not supported.'];
+    }
 }

src/FakePdoTrait.php

@@ -212,4 +212,9 @@ public function quote($string, $parameter_type = \PDO::PARAM_STR)
 
         return "{$quotes[0]}{$quoted}{$quotes[1]}";
     }
+
+    public function errorInfo(): array
+    {
+        return ['00000', 0, 'PHP MySQL Engine: errorInfo() not supported.'];
+    }
 }