MB-48576: update test case to do double stop

Change-Id: I938c321e612c42982c42212efde90318a2d85231
Reviewed-on: http://review.couchbase.org/c/testrunner/+/162419
Reviewed-by: Ajay Bhullar <ajay.bhullar@couchbase.com>
Tested-by: Pierre Regazzoni <pierre.regazzoni@couchbase.com>

pytests/tuqquery/tuq_advisor.py

@@ -210,6 +210,8 @@ def test_get_session_stopped(self):
             results = self.run_cbq_query(query="SELECT airportname FROM `{0}` WHERE lower(city) = 'lyon' AND country = 'France'".format(self.bucket_name), server=self.master)
             self.sleep(3)
 
+            results = self.run_cbq_query(query="SELECT ADVISOR({{'action': 'stop', 'session': '{0}'}})".format(session), server=self.master)
+            # Stop a second time to ensure no side effect (see MB-48576)
             results = self.run_cbq_query(query="SELECT ADVISOR({{'action': 'stop', 'session': '{0}'}})".format(session), server=self.master)
             results = self.run_cbq_query(query="SELECT ADVISOR({{'action': 'get', 'session': '{0}'}})".format(session), server=self.master)
             self.assertTrue('recommended_indexes' in results['results'][0]['$1'][0][0], "There are no recommended index: {0}".format(results['results'][0]['$1'][0][0]))