[PRMP-1484] Implement MockHealthcareSharedService for Dev and sandboxes

[steph-torres-nhs]

Overview

Jira ticket: PRMP-1484

Description

Context

Checklist

Tasks for all changes:

• 1. I have linked this PR to its Jira ticket.
• 2. I have run git pre-commits. (WIP)
• 3. I have added and/or updated relevant tests.
• [ ] 4. I have updated relevant documentation.
• 5. I have considered the cross-team impact (and have PR approval from both Core & Demographics if necessary).
• 6. I have successfully deployed this change to a sandbox and witnessed unit and e2e tests passing:
  • 6a. Deploy - Sandbox - workflow run - TBC
  • 6b. SANDBOX Full- Deploy feature branch to sandbox - workflow run - TBC
• 7. I have run the UI Smoke Tests against the deployed sandbox and witnessed it passing:
  • 7a. SANDBOX - UI Smoke Test - workflow run - TBC

[sonarqubecloud]

Quality Gate failed

Failed conditions
60.8% Coverage on New Code (required ≥ 80%)

See analysis details on SonarQube Cloud