Update configs for upgraded debezium version

Author: nikhil-ctds

tests/integration/src/test/java/org/apache/pulsar/tests/integration/io/sources/debezium/DebeziumOracleDbSourceTester.java

@@ -54,13 +54,13 @@ public DebeziumOracleDbSourceTester(PulsarCluster cluster) {
 
         pulsarServiceUrl = "pulsar://pulsar-proxy:" + PulsarContainer.BROKER_PORT;
 
+        sourceConfig.put("connector.class", "io.debezium.connector.oracle.OracleConnector");
         sourceConfig.put("database.hostname", DebeziumOracleDbContainer.NAME);
         sourceConfig.put("database.port", "1521");
         sourceConfig.put("database.user", "dbzuser");
         sourceConfig.put("database.password", "dbz");
         sourceConfig.put("database.server.name", "XE");
         sourceConfig.put("database.dbname", "XE");
-        sourceConfig.put("topic.prefix", "XE");
         sourceConfig.put("snapshot.mode", "schema_only");
 
         sourceConfig.put("schema.include.list", "inv");