[VOL-4211] Persist meters in the Core

Change-Id: I0f9a2914996a69be080bd8f77b3c7ae6cc902cb3
diff --git a/rw_core/core/device/logical_agent_test.go b/rw_core/core/device/logical_agent_test.go
index ac7662e..96729a2 100644
--- a/rw_core/core/device/logical_agent_test.go
+++ b/rw_core/core/device/logical_agent_test.go
@@ -264,7 +264,7 @@
 	localWG.Wait()
 	meterEntry := fu.MeterEntryFromMeterMod(ctx, meterMod)
 
-	meterHandle, have := ldAgent.meterCache.Lock(meterMod.MeterId)
+	meterHandle, have := ldAgent.meterLoader.Lock(meterMod.MeterId)
 	assert.Equal(t, have, true)
 	if have {
 		assert.True(t, proto.Equal(meterEntry, meterHandle.GetReadOnly()))