Fix tests with IP check

[JimMadge]

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🚦 Depends on

⤴️ Summary

Fixes SRE command tests which fail due to IP address not matching admin IP address in the config. (changes introduced in #1977).

🌂 Related issues

🔬 Tests

[github-actions]

Coverage report

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File	Statements	Missing	Coverage	Coverage (new stmts)	Lines missing
data_safe_haven/commands
sre.py
data_safe_haven/functions
__init__.py
data_safe_haven/infrastructure/components/dynamic
blob_container_acl.py
dsh_resource_provider.py
file_upload.py
Project Total

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[jemrobinson]

LGTM