Add private endpoint parameter tests to all modules with implemented endpoint support

[AlexanderSehr]

Add private endpoint tests to all modules with implemented endpoint support.

Reference: AutomationAccount

[kavishshivhare]

List of private endpoint supported modules (with supported resource type) in the repo with private endpoint support implemented along with an updated parameters file as of today -

• [x] App Configuration
• [x] Automation Accounts
• [x] Batch Accounts
• [x] Cache Redis
• [x] Cognitive Services
• [x] Container Registries
• [x] Databricks
• [x] Data Factories (#1585)
• [x] Digital Twins
• [x] Document-db
• [x] Event Grid Domain
• [x] Event Grid Topics
• [x] Event Hub Namespaces
• [x] Insights Private Link Scope
• [x] Key Vaults
• [x] Machine Learning Workspaces (#1584)
• [x] Network Application Gateways (#3928)
• [x] Purview Account
• [x] Recovery Services Vaults (#1623)
• [x] Relay Namespace
• [x] Search Service
• [x] Service Bus Namespaces
• [x] Signal R Service Signal R
• [x] Signal R Service Web PubSub
• [x] SQL Servers
• [x] Storage Accounts
• [x] Synapse Private Link Hub (Analytics)
• [x] Synapse Workspace
• [x] Web Sites
• [x] Web Static Sites

List of PE supported Azure services.

CC: @MrMCake.

[lsnoddy]

All modules with implemented private endpoint support within the repo have been verified to also have private endpoint test cases. Any that were missing have been added. See the comment above for the checklist of resources with implemented private endpoint support.