Update tests for bulk-update with FixedPath to work if even if the _index attribute not are allowed
Update tests for multiperculate with FixedPath to work if even if the _index attribute not are allowed
Update tests for multisearch with FixedPath to work if even if the _index attribute not are allowed
Update tests forMultiSearch with FixedPath to work if even if the index attribute not are allowed
Update serializer for Bulk, MultiSearch and MultiPercolate to ignore index-parameter if that is the same as FixedPath