diff --git a/awx/main/tests/functional/test_linkstate.py b/awx/main/tests/functional/test_linkstate.py
new file mode 100644
index 0000000000..478883870a
--- /dev/null
+++ b/awx/main/tests/functional/test_linkstate.py
@@ -0,0 +1,30 @@
+import pytest
+
+from awx.main.models import Instance, ReceptorAddress, InstanceLink
+from awx.main.tasks.system import inspect_established_receptor_connections
+
+
+@pytest.mark.django_db
+class TestLinkState:
+    @pytest.fixture(autouse=True)
+    def configure_settings(self, settings):
+        settings.IS_K8S = True
+
+    def test_inspect_established_receptor_connections(self):
+        '''
+        Change link state from ADDING to ESTABLISHED
+        if the receptor status KnownConnectionCosts field
+        has an entry for the source and target node.
+        '''
+        hop1 = Instance.objects.create(hostname='hop1')
+        hop2 = Instance.objects.create(hostname='hop2')
+        hop2addr = ReceptorAddress.objects.create(instance=hop2, address='hop2', port=5678)
+        InstanceLink.objects.create(source=hop1, target=hop2addr, link_state=InstanceLink.States.ADDING)
+
+        # calling with empty KnownConnectionCosts should not change the link state
+        inspect_established_receptor_connections({"KnownConnectionCosts": {}})
+        assert InstanceLink.objects.get(source=hop1, target=hop2addr).link_state == InstanceLink.States.ADDING
+
+        mesh_state = {"KnownConnectionCosts": {"hop1": {"hop2": 1}}}
+        inspect_established_receptor_connections(mesh_state)
+        assert InstanceLink.objects.get(source=hop1, target=hop2addr).link_state == InstanceLink.States.ESTABLISHED