mgmt, prepare release azure-resourcemanager-test

[XiaofeiCao]

Description

• fix [mgmt] release azure-resourcemanager-test for self-serve premium packages #45957
• Release process forbids unreleased dependency, even scope=test.
  https://dev.azure.com/azure-sdk/internal/_build/results?buildId=5207688&view=results
• This seems to be docs build requirement:
  

  azure-sdk-for-java/eng/versioning/scan_for_unreleased_dependencies.ps1

  Lines 63 to 75 in d85f430

  	# mvn dependency:copy-dependencies is used to copy the dependencies from maven for analysis
  	# as part of the doc build which requires pulling down all dependencies including test
  	# dependencies. Until such a time that a better solution is found, disable release of a
  	# library with unreleased test dependencies. When a better solution is found, just uncomment
  	# the code below.
  	# # before reporting an error, check to see if there's a scope element and
  	# # if the scope is test then don't fail
  	# $scopeNode = $dependencyNode.GetElementsByTagName("scope")[0]
  	# if ($scopeNode -and $scopeNode.InnerText.Trim() -eq "test")
  	# {
  	# continue
  	# }

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• The pull request does not introduce [breaking changes]
• CHANGELOG is updated for new features, bug fixes or other significant changes.
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[github-actions]

API Change Check

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com.azure.resourcemanager:azure-resourcemanager-test

[Copilot]

Pull Request Overview

This PR prepares the azure-resourcemanager-test library for its initial release (version 2.0.0-beta.1) by addressing a release process requirement that forbids unreleased dependencies, even those with test scope.

Key changes:

• Moves the test library from additional modules to releasable artifacts in the CI pipeline
• Updates documentation with comprehensive usage examples and troubleshooting guidance
• Finalizes the changelog for the initial release

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
sdk/resourcemanager/ci.yml	Moves azure-resourcemanager-test from additional modules to releasable artifacts with new release parameter
sdk/resourcemanager/azure-resourcemanager-test/README.md	Adds comprehensive documentation including usage examples, test setup, and troubleshooting guidance
sdk/resourcemanager/azure-resourcemanager-test/CHANGELOG.md	Updates release date and description for version 2.0.0-beta.1