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diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/event/avc/SubscriptionEventResponseConsumerSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/event/avc/SubscriptionEventResponseConsumerSpec.groovy
new file mode 100644
index 000000000..a67346200
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+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/event/avc/SubscriptionEventResponseConsumerSpec.groovy
@@ -0,0 +1,79 @@
+/*
+ *  ============LICENSE_START=======================================================
+ *  Copyright (c) 2023 Nordix Foundation.
+ *  ================================================================================
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an 'AS IS' BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.onap.cps.ncmp.api.impl.event.avc
+
+import com.fasterxml.jackson.databind.ObjectMapper
+import com.hazelcast.map.IMap
+import org.onap.cps.ncmp.api.kafka.MessagingBaseSpec
+import org.onap.cps.ncmp.api.models.SubscriptionEventResponse
+import org.onap.cps.utils.JsonObjectMapper
+import org.springframework.boot.test.context.SpringBootTest
+
+@SpringBootTest(classes = [ObjectMapper, JsonObjectMapper])
+class SubscriptionEventResponseConsumerSpec extends MessagingBaseSpec {
+
+    IMap<String, Set<String>> mockForwardedSubscriptionEventCache = Mock(IMap<String, Set<String>>)
+
+    def objectUnderTest = new SubscriptionEventResponseConsumer(mockForwardedSubscriptionEventCache)
+
+
+    def 'Consume Subscription Event Response where all DMIs have responded'() {
+        given: 'a subscription event response with a clientId, subscriptionName and dmiName'
+            def testEventReceived = new SubscriptionEventResponse()
+            testEventReceived.clientId = 'some-client-id'
+            testEventReceived.subscriptionName = 'some-subscription-name'
+            testEventReceived.dmiName = 'some-dmi-name'
+        and: 'notifications are enabled'
+            objectUnderTest.notificationFeatureEnabled = true
+        and: 'subscription model loader is enabled'
+            objectUnderTest.subscriptionModelLoaderEnabled = true
+        when: 'the valid event is consumed'
+            objectUnderTest.consumeSubscriptionEventResponse(testEventReceived)
+        then: 'the forwarded subscription event cache returns only the received dmiName existing for the subscription create event'
+            1 * mockForwardedSubscriptionEventCache.containsKey('some-client-idsome-subscription-name') >> true
+            1 * mockForwardedSubscriptionEventCache.get('some-client-idsome-subscription-name') >> (['some-dmi-name'] as Set)
+        and: 'the forwarded subscription event cache returns an empty Map when the dmiName has been removed'
+            1 * mockForwardedSubscriptionEventCache.get('some-client-idsome-subscription-name') >> ([] as Set)
+        and: 'the subscription event is removed from the map'
+            1 * mockForwardedSubscriptionEventCache.remove('some-client-idsome-subscription-name')
+    }
+
+    def 'Consume Subscription Event Response where another DMI has not yet responded'() {
+        given: 'a subscription event response with a clientId, subscriptionName and dmiName'
+            def testEventReceived = new SubscriptionEventResponse()
+            testEventReceived.clientId = 'some-client-id'
+            testEventReceived.subscriptionName = 'some-subscription-name'
+            testEventReceived.dmiName = 'some-dmi-name'
+        and: 'notifications are enabled'
+            objectUnderTest.notificationFeatureEnabled = true
+        and: 'subscription model loader is enabled'
+            objectUnderTest.subscriptionModelLoaderEnabled = true
+        when: 'the valid event is consumed'
+            objectUnderTest.consumeSubscriptionEventResponse(testEventReceived)
+        then: 'the forwarded subscription event cache returns only the received dmiName existing for the subscription create event'
+            1 * mockForwardedSubscriptionEventCache.containsKey('some-client-idsome-subscription-name') >> true
+            1 * mockForwardedSubscriptionEventCache.get('some-client-idsome-subscription-name') >> (['some-dmi-name', 'non-responded-dmi'] as Set)
+        and: 'the forwarded subscription event cache returns an empty Map when the dmiName has been removed'
+            1 * mockForwardedSubscriptionEventCache.get('some-client-idsome-subscription-name') >> (['non-responded-dmi'] as Set)
+        and: 'the subscription event is not removed from the map'
+            0 * mockForwardedSubscriptionEventCache.remove(_)
+    }
+}