MAGETWO-89402: Make 'db:status' command works properly

--fix static tests

Author: Sergii Kovalenko

lib/internal/Magento/Framework/Setup/Declaration/Schema/Db/MySQL/Definition/Constraints/ForeignKey.php

@@ -7,6 +7,7 @@
 namespace Magento\Framework\Setup\Declaration\Schema\Db\MySQL\Definition\Constraints;
 
 use Magento\Framework\App\ResourceConnection;
+use Magento\Framework\Exception\LocalizedException;
 use Magento\Framework\Setup\Declaration\Schema\Db\DbDefinitionProcessorInterface;
 use Magento\Framework\Setup\Declaration\Schema\Dto\Constraints\Reference;
 use Magento\Framework\Setup\Declaration\Schema\Dto\ElementInterface;
@@ -72,6 +73,10 @@ public function toDefinition(ElementInterface $foreignKey)
      */
     public function fromDefinition(array $data)
     {
+        if (!isset($data['Create Table'])) {
+            throw new LocalizedException(__('Can`t read foreign keys from current database'));
+        }
+
         $createMySQL = $data['Create Table'];
         $ddl = [];
         $regExp  = '#,\s*CONSTRAINT\s*`([^`]*)`\s*FOREIGN KEY\s*?\(`([^`]*)`\)\s*'