Added the java4.x client cluster filter pull test content (#51) * Added the java4.x client cluster filter pull test content * Improved the test content, adding the test content of batchproducer, transactions, loadbacing, offset, retry and other scenarios * Refine old tests and add retry test scenarios * Refine old tests and normalize non-standard code
RocketMQ E2E Test
mvn clean test -B -Dgroups=smoke -Dcluster=DefaultCluster
ALL_IP : not required, default is nullcluster: not required, default DefaultClustergroups: param of junit5, src/main/java/org/apache/rocketmq/enums/TESTSET.java