VED-740b: self-review

Author: Akol125

backend/tests/test_fhir_service.py

@@ -767,7 +767,7 @@ def test_delete_immunization_throws_authorisation_exception_if_does_not_have_req
         self.authoriser.authorise.assert_called_once_with("Test", ApiOperationCode.DELETE, {"FLU"})
 
 
-class TestSearchImmunizations(TestFhirServiceBase):
+class TestSearchImmunizations(unittest.TestCase):
     """Tests for FhirService.search_immunizations"""
     MOCK_SUPPLIER_SYSTEM_NAME = "Test"