Populate cmSubscription cache

       - Create subscription cache handler
       - Add unit tests

Issue-ID: CPS-2025
Change-Id: I54d505369a8429d6f6a87a2af0b169f9530622c3
Signed-off-by: emaclee <lee.anjella.macabuhay@est.tech>
diff --git a/cps-ncmp-service/src/test/resources/cmSubscription/cmNotificationSubscriptionNcmpInEvent.json b/cps-ncmp-service/src/test/resources/cmSubscription/cmNotificationSubscriptionNcmpInEvent.json
new file mode 100644
index 0000000..09796e2
--- /dev/null
+++ b/cps-ncmp-service/src/test/resources/cmSubscription/cmNotificationSubscriptionNcmpInEvent.json
@@ -0,0 +1,21 @@
+{
+  "data": {
+    "subscriptionId": "cm-subscription-001",
+    "predicates": [
+      {
+        "targetFilter":  ["ch1","ch2"],
+        "scopeFilter": {
+          "datastore": "ncmp-datastore:passthrough-operational",
+          "xpath-filter": ["/x1/y1","x2/y2"]
+        }
+      },
+      {
+        "targetFilter":  ["ch3","ch4"],
+        "scopeFilter": {
+          "datastore": "ncmp-datastore:passthrough-operational",
+          "xpath-filter": ["/x3/y3","x4/y4"]
+        }
+      }
+    ]
+  }
+}
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