* regenerate code; remove old tests

* generate code

* regenerate code

* add configuration to md

* regenerate code

* change namespace

* checkput to new branch

* add test case

* add namespace test case

* add namespace authrizationrule test case

* remove unused json record

* add test case

* finish namespace test cases

* add eventhub tests

* add consumer group tests

* change check name availability's operation id; regenerate code; add sanitizer to keys; re-record tests

* add a disaster recovery test

* regenerate code using 2021-06-01 preview

* regenerate using stable 2017-04 swagger

* remove unused configurations in autorest.md

* add messaging plan test

* remove unused import

* regenerate code

* add region test

* update autorest.md

* update autorest.md

* modify autorest md

* add ignore to list region by sku test case

* fix an error in autorest.md; add a authorizationrule listkeys test; re-record some tests

* use 2018 preview version

* modify test cases

* add sample

* add samples

* update changelog

* regenerate code using autorest 20210928.3

* update api

* update md files' link

* re-record some tests; update md files

* regenerate code and modify some test cases

* update api

* modify test base

* modify some typos

modify some typos

* modify changelog

* modify changelog and sample files

* add 'get namespaces in subscription' test case

* using 2021-06-01-preview; regenerate code and modify the tests

using 2021-06-01-preview; regenerate code and modify the tests

* update API

* re-record a test case

* ignore SetGetNetworkRuleSets test

* change code format

* modify namespace

* rename some models

* update API

* regenerate code

* update tests and samples

* comment out SetGetNetworkRuleSet test case

* re-record test

* unignore SetGetNetworkRuleSet test case; update snippet

* update API

* remove generated code temporily to solve EventHub upper case issue

* regenerate code

* modify disaster recovery test

modify disaster recovery test case

* regenerate using request-path

* rewrite autorest.md

* update API

* using spec 2021-11-01

* re-record test

* modify test base

* add schema group test

* update API

* modify test

* regenerate code

* regenerate code

* add privateendpointconnection test

* rename parameters to options; config to use arm resourceIdentity

* update API and doc

* ignore some tests that exceed 8s; delete a repeated privateendpoint test

* rename some LROs name; update APIs

* modufy docs

* update changelog

* regen the code

Co-authored-by: Yao Kou <yaokou@microsoft.com>