[MS-1316] Add migration test for SubjectMigration1to2

[meladRaouf]

JIRA ticket
Will be released in: version

Root cause analysis (for bugfixes only)

First known affected version: version

• Describe how the issue was found and what causes it
• Include images to better illustrate the issue

Notable changes

• Describe the main changes in the PR with the reasons why they are required
• Include images to better illustrate the changes

Testing guidance

• Describe how the reviewers can verify that issue is fixed

Additional work checklist

• Effect on other features and security has been considered
• Design document marked as "In development" (if applicable)
• External (Gitbook) and internal (Confluence) Documentation is up to date (or ticket created)
• Test cases in Testiny are up to date (or ticket created)
• Other teams notified about the changes (if applicable)

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud