4.20: Fix unit test failure (apache#12520)

Author: Pearl1594

server/src/test/java/com/cloud/vm/UserVmManagerImplTest.java

@@ -1207,7 +1207,7 @@ public void createVirtualMachine() throws ResourceUnavailableException, Insuffic
 
         UserVm result = userVmManagerImpl.createVirtualMachine(deployVMCmd);
         assertEquals(userVmVoMock, result);
-        Mockito.verify(vnfTemplateManager).validateVnfApplianceNics(templateMock, null, null);
+        Mockito.verify(vnfTemplateManager).validateVnfApplianceNics(templateMock, null, Collections.emptyMap());
         Mockito.verify(userVmManagerImpl).createBasicSecurityGroupVirtualMachine(any(), any(), any(), any(), any(), any(), any(),
                 any(), any(), any(), any(), any(), any(), any(), any(), any(), any(), any(), any(), nullable(Boolean.class), any(), any(), any(),
                 any(), any(), any(), any(), eq(true), any(), any(), any());