DO NOT MERGE: Inject an invalid XML value to test NACK scenario

[adrianclay]

What

Please include a summary of the changes and the related issue

Why

Please include details of the reasoning for these changes

Type of change

Internal change (non-breaking change with no effect on the functionality affecting end users)

Checklist:

• I have performed a self-review of my code
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• I have updated the Changelog with details of my change in the UNRELEASED section if this change will affect end users

[github-actions]

• Surviving mutants in this change: 5
• Killed mutants in this change: 1

class	surviving	killed
🧟uk.nhs.adaptors.gp2gp.ehr.mapper.EncounterMapper	3	0
🧟uk.nhs.adaptors.gp2gp.ehr.mapper.DocumentReferenceToNarrativeStatementMapper	2	1

See https://pitest.org

• Arcmutate licence valid until 2026-07-16 (yyyy/mm/dd) (non-commercial use only)
• Project uses Spring, but the Arcmutate Spring plugin is not present.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
40.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud