[CI environment] Add nameprefix to rg test names

[eriqua]

Description

Add nameprefix to rg test names, aligning with avm pbr names

Pipeline references

Pipeline

Type of Change

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Update to documentation

Checklist

• I'm sure there are no other open Pull Requests for the same update/change
• My corresponding pipelines / checks run clean and green without any errors or warnings
• My code follows the style guidelines of this project
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation (readme)
• I did format my code

[AlexanderSehr]

@eriqua, I believe we have a few cases where a name prefix doesn't exist (by design). Once I'm back at my laptop, I can run a quick test by compiling all test cases in memory

[eriqua]

@eriqua, I believe we have a few cases where a name prefix doesn't exist (by design). Once I'm back at my laptop, I can run a quick test by compiling all test cases in memory

In that case we'd probably need to add it wherever an RG is created as part of the dependencies.

[AlexanderSehr]

Noteworthy warnings/errors

• ERROR: C:\dev\ip\Azure-ResourceModules\ResourceModules\modules\managed-identity\user-assigned-identity.test\min\main.test.bicep(9,41) : Error BCP057: The name "namePrefix" does not exist in the current context.
• WARNING: C:\dev\ip\Azure-ResourceModules\ResourceModules\modules\db-for-postgre-sql\flexible-server.test\public\main.test.bicep(19,7) : Warning no-unused-params: Parameter "password" is declared but never used. [https://aka.ms/bicep/linter/no-unused-params]
• ERROR: C:\dev\ip\Azure-ResourceModules\ResourceModules\modules\resources\tags.test\rg\main.test.bicep(9,41) : Error BCP057: The name "namePrefix" does not exist in the current context.

[eriqua]

Closing in favor of #4130