public function testMultiMatch()
 {
     $term = uniqid('Phrase ');
     $columns = ['login', 'password'];
     // Basic Multi Match query
     $expectedQuery = ['multi_match' => ['query' => $term, 'fields' => $columns]];
     $this->queryBuilder->multiMatch($columns, $term);
     $this->assertExpectedQuery($expectedQuery);
     // Multi Match query with additional parameters
     $type = 'most_fields';
     $expectedQuery = ['multi_match' => ['query' => $term, 'type' => $type, 'fields' => $columns]];
     $this->queryBuilder->multiMatch($columns, ['query' => $term, 'type' => $type]);
     $this->assertExpectedQuery($expectedQuery);
 }