Add tests for new Copy/Update-LongTermRetentionBackup (fix reversion) (Azure#19246)

* Revert "Revert "Add tests for new Copy/Update-LongTermRetentionBackup (Azure#19040)" (Azure#19205)"

This reverts commit 85e2a5b.

* use azure endpoint

* skip test

* updated sdk from swagger master

* update generate script

* update sql_resource-manager.txt

* re-update Generated

* regenerated clients, and updated AzSdk.RP.props

* updated sdk with version 2.0.4417

* re-generated again after autorest --reset

* revert generate script and reinstate commit id into sql_resource-manager

* remove extra resource-manager.txt file

* updated assembly info version

Author: xaliciayang

eng/mgmt/mgmtmetadata/sql_resource-manager.txt

@@ -4,11 +4,11 @@ Commencing code generation
 Generating CSharp code
 Executing AutoRest command
 cmd.exe /c autorest.cmd https://github.com/Azure/azure-rest-api-specs/blob/master/specification/sql/resource-manager/readme.md --csharp --version=v2 --reflect-api-versions --csharp-sdks-folder=.
-2021-01-26 04:14:56 UTC
+2021-03-09 20:31:26 UTC
 Azure-rest-api-specs repository information
 GitHub fork: Azure
 Branch:      master
-Commit:      4d91da06bf655dc1d61a420e7510778eab1609d8
+Commit:      921957dfa2228c2062b8d2ef832507339c5562d4
 AutoRest information
 Requested version: v2
 Bootstrapper version:    [email protected]

sdk/sqlmanagement/Microsoft.Azure.Management.Sql/AzSdk.RP.props

@@ -1,7 +1,7 @@
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <!--This file and it's contents are updated at build time moving or editing might result in build failure. Take due deligence while editing this file-->
   <PropertyGroup>
-    <AzureApiTag>Sql_2017-03-01-preview;Sql_2017-10-01-preview;Sql_2018-06-01-preview;Sql_2014-04-01;Sql_2015-05-01-preview;Sql_2020-08-01-preview;Sql_2020-02-02-preview;Sql_2019-06-01-preview;</AzureApiTag>
+    <AzureApiTag>Sql_2017-03-01-preview;Sql_2017-10-01-preview;Sql_2018-06-01-preview;Sql_2014-04-01;Sql_2015-05-01-preview;Sql_2020-08-01-preview;Sql_2020-02-02-preview;Sql_2019-06-01-preview;Sql_2020-11-01-preview</AzureApiTag>
     <PackageTags>$(PackageTags);$(CommonTags);$(AzureApiTag);</PackageTags>
   </PropertyGroup>
 </Project>