Update test_join.py

[vijaykannan21]

Updated from Azure to Office 365

[github-actions]

🦙 MegaLinter status: ❌ ERROR

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ PYTHON	black	1	0	0	0.62s
✅ PYTHON	flake8	1		0	0.41s
✅ PYTHON	isort	1	1	0	0.22s
❌ PYTHON	pylint	1		1	5.26s
❌ REPOSITORY	gitleaks	yes		1	1.11s
✅ REPOSITORY	trivy	yes		no	5.38s

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[tamsinforbes]

🌝🌖🚀LGTM🚀🌘🌚
We can ignore the pylint and gitleaks error - they are incorrect