* Rabbitmq plugin e2e test migration

* 3753-code review fixes

* 3753-test-case-improvements

* Update pom.xml

Remove the repo addresses.

* Update Plugin-test.md

* immigrate test feign scenario.

* add license.

* update use test skeleton.

* delete repeat spring-boot starter dependence.

* add support-list version.

* Add elasticsearch 6.x plugin & elasticsearch 6.x test scenario

* add Jenkinsfile-Agent-Test-4

* [test/plugin] immigrate httpasyncclient scenario

* fix deficient code, "/socket.io/" http segment declare

* add agent test and fix expectedData.yaml file

* add listener on tomcat start, work for reduce socket io server start time
change "/socket.io/" operation "http.method", cause get or post will invoke both

* resolve style check error

* change socket io server and client start to health check servlet

* if startClientAndWaitConnect invoke on multi-thread, it will only check client ref, no check connect state, fix it.

* check agent register status

* update

* remove healtch-check segment

* update

* fix some expectedData.yml

* remove netty-socketio-scenario from Jenkinsfile

* fix

* Add CI build job barriers to prevent unnecessary builds

* Complete change file sets to trigger build jobs

* Polish

* add plugin netty-socketio https://github.com/mrniko/netty-socketio

* delete create exit span interceptor.

* delete create exit span interceptor testcase.

* delete create exit span interceptor testcase.

* add constructor test unit

* change bind on random port in test case

* reverse upstream master whitespace

* resolve build_id param

* delete health check segment test case

* add ContextManager.isActive check before use activeSpan invoke

* remove unnecessary code and blank line

* fast-fail and reliablity

* add workload no. as a part of the build_id tag

* print system info

* Modify plugin test run.sh script parameter error

* shell fun error, delete ()

* delete space line

* [test/plugin] immigrate postgresql scenario

* add licene

* format expectedData.yaml & update support-version.list

* change workload from 3 to 1

* add startup.sh

* update startup.sh

* Add verify health-check segment

* remove health-check segment

* update code. 1. context is not effective; 2.format code. 3.change log to slf4j;

* update expectedData.yaml & change log to log4j2

* Add stage case count

* add immigrate postgresql-9.4-scenario

* repair module name & package name

* repair all postgresql-9.4 to postgresql-above9.4.1207

* change module name to postgresql-above9.4.1207

* change stage name

* update report stage

* fix steps

* immigrate canal scenario

* add test cases report

* commit

* exclusion spring

* add canal stage

* del org.apache.logging.log4j dep

* del -Dskywalking.agent.service_name

* support docker-compose

* sync

* support docker-compose

* force rm container

* solrj-7.x-scenario

* fix license header

* fix actualData.yml

* verify Jenkins run on distribution

* test Jenkinsfile v2

* test Jenkinsfile v3, God bless

* test V4, God Bless

* test v5

* rollback

* update opertaion of post

* immigrate spring async scenario

* fix rat

* Fix async not in effect

* immigrate dubbo

* provides a jvm-container

* support ehcache 2.x

Provide the codebase of plugin tests. Make the plugin test in the CI loop.