public function testEmptyArraysCanBeUsedAsNestedParameters()
{
$query = 'CREATE (a), (b)
MERGE (a)-[r:RELATES]->(b)
SET r += {fields} RETURN id(r) as id';
$params = ['a' => 30, 'b' => 31, 'fields' => []];
$result = $this->client->run($query, $params, null, 'http');
$this->assertTrue(is_numeric($result->firstRecord()->get('id')));
}