chore: fix monitoring test (#956)

* chore: fix monitoring test

* simplify test

Author: xeniape

tests/templates/kuttl/smoke/test_zookeeper.py

@@ -64,9 +64,7 @@ def check_monitoring(hosts):
         url = host + ":9505"
         response = try_get(url)
 
-        if response.ok:
-            continue
-        else:
+        if not response.ok:
             print("Error for [" + url + "]: could not access monitoring")
             exit(-1)
 
@@ -76,12 +74,9 @@ def check_monitoring(hosts):
 
         if response.ok:
             # arbitrary metric was chosen to test if metrics are present in the response
-            if "quorum_size" in response.text:
-                continue
-            else:
+            if "quorum_size" not in response.text:
                 print("Error for [" + url + "]: missing metrics")
                 exit(-1)
-            continue
         else:
             print("Error for [" + url + "]: could not access monitoring")
             exit(-1)