ElasticSearch: fix AltParser test

AltParser queries are still broken but that fucntionality has only been
listed as supported on Solr.

Author: acdha

tests/elasticsearch_tests/tests/inputs.py

@@ -78,4 +78,4 @@ def test_altparser_init(self):
     def test_altparser_prepare(self):
         altparser = inputs.AltParser('dismax', 'douglas adams', qf='author', mm=1)
         self.assertEqual(altparser.prepare(self.query_obj),
-                         u"""_query_:"{!dismax mm=1 qf=author v='douglas adams'}\"""")
+                         u"""{!dismax mm=1 qf=author v='douglas adams'}""")