Some rqg jobs need more than 5 indexes at one time, increase the defa…

…ult index_limit.

Change-Id: I7195dfb46d2701c830a8f0cd7c5b12e469ba4938
Reviewed-on: https://review.couchbase.org/c/testrunner/+/173726
Reviewed-by: Mihir Kamdar <mihir.kamdar@couchbase.com>
Tested-by: Ajay Bhullar <ajay.bhullar@couchbase.com>

pytests/rqg/base_test_rqg.py

@@ -117,7 +117,7 @@ def setUp(self):
             self.keyword_list = self.query_helper._read_keywords_from_file("b/resources/rqg/n1ql_info/keywords.txt")
             self.use_secondary_index = self.run_query_with_secondary or self.run_explain_with_hints
             self.check_explain_plan = self.input.param("explain_plan", False)
-            self.index_limit = self.input.param("index_limit", 5)
+            self.index_limit = self.input.param("index_limit", 15)
             self.float_round_level = self.input.param("float_round_level", 0)
             self.delta = self.input.param("delta", 0)
             self.window_function_test = self.input.param("window_function_test", False)