use uid instead of reference because two computer partitions can use the same...

use uid instead of reference because two computer partitions can use the same reference but each partition is installed in different computer

master/product/Vifib/tests/testVifibSlapWebService.py

@@ -6360,7 +6360,7 @@ class TestVifibSlapWebService(testVifibMixin):
 
   def _getSoftwareInstanceFromCurrentComputerPartition(self, sequence):
     query = ComplexQuery(
-        Query(aggregate_reference=sequence['computer_partition_reference']),
+        Query(aggregate_uid=sequence['computer_partition_uid']),
         Query(aggregate_portal_type=self.software_instance_portal_type),
         operator="AND")
     software_instance = self.portal.portal_catalog.getResultValue(
@@ -6371,7 +6371,7 @@ class TestVifibSlapWebService(testVifibMixin):
 
   def _getSlaveInstanceFromCurrentComputerPartition(self, sequence):
     query = ComplexQuery(
-        Query(aggregate_reference=sequence['computer_partition_reference']),
+        Query(aggregate_uid=sequence['computer_partition_uid']),
         Query(aggregate_portal_type=self.slave_instance_portal_type),
         operator="AND")
     slave_instance = self.portal.portal_catalog.getResultValue(