OZG-6105 add netpol required values unittests

src/test/helm/network_policy_test.yaml

@@ -175,3 +175,18 @@ tests:
     asserts:
       - hasDocuments:
           count: 1
+  - it: test network policy dnsServerNamespace must be set message
+    set:
+      networkPolicy:
+        disabled: false
+    asserts:
+      - failedTemplate:
+          errorMessage: networkPolicy.dnsServerNamespace must be set
+
+  - it: test network policy should be enabled by default
+    set:
+      networkPolicy:
+        dnsServerNamespace: test-dns-server-namespace
+    asserts:
+      - hasDocuments:
+          count: 1
\ No newline at end of file