Disable topic level policies to make tests work for latest Pulsar (#201)

See https://lists.apache.org/thread/gjdvl1ys71k9mknwypxgkbsdyjwr31yt

Author: BewareMyPower

tests/test-conf/standalone-ssl.conf

@@ -310,3 +310,8 @@ maxMessageSize=1024000
 
 # Disable consistent hashing to fix flaky `KeySharedConsumerTest#testMultiTopics`.
 subscriptionKeySharedUseConsistentHashing=false
+
+# It's true by default since 2.11. After https://github.com/apache/pulsar/pull/21445, we must configure
+# brokerClientAuthenticationPlugin and brokerClientAuthenticationParameters correctly when enabling topic
+# level policies. Otherwise, no topic could be loaded.
+topicLevelPoliciesEnabled=false