diff --git a/tests/test_resource.py b/tests/test_resource.py
index 4cd7fb539..f23d8978b 100644
--- a/tests/test_resource.py
+++ b/tests/test_resource.py
@@ -8,3 +8,14 @@ def test_create_managed_resource(target):
     resource_1 = ManagedResource(target)
     resource_2 = ManagedResource(target)
     assert resource_1.manager is resource_2.manager
+
+def test_hash_is(target):
+    resource1 = Resource(target)
+    resource2 = Resource(target)
+    assert resource1 is not resource2
+
+def test_hash_set(target):
+    resource1 = Resource(target)
+    k = set()
+    k.add(resource1)
+    assert resource1 in k