Update unit_test.go

All Submissions:

---

• [YES] Have you added an explanation of what your changes do and why you'd like us to include them?
• [YES] My code follows the code style of this project.

Current Behavior or Linked Issues

---

expected_resource_count is set to 152 currently. file: infra/templates/osdu-r3-mvp/data_partition/tests/unit/unit_test.go

Does this introduce a breaking change?

---

• [NO]

Other information

---

• increased the expected_resource_count in data partition resources, since there is new data field azurerm_kubernetes_service_versionsintroduced in aks module in MR 784
• related issue 252