diff --git a/tests/unit/providers/test_traversal_py3.py b/tests/unit/providers/test_traversal_py3.py
index 790557f5..d41c78b1 100644
--- a/tests/unit/providers/test_traversal_py3.py
+++ b/tests/unit/providers/test_traversal_py3.py
@@ -3,6 +3,44 @@ import unittest
 from dependency_injector import providers
 
 
+class TraverseTests(unittest.TestCase):
+
+    def test_traverse_cycled_graph(self):
+        provider1 = providers.Provider()
+
+        provider2 = providers.Provider()
+        provider2.override(provider1)
+
+        provider3 = providers.Provider()
+        provider3.override(provider2)
+
+        provider1.override(provider3)  # Cycle: provider3 -> provider2 -> provider1 -> provider3
+
+        all_providers = list(providers.traverse(provider1))
+
+        self.assertEqual(len(all_providers), 3)
+        self.assertIn(provider1, all_providers)
+        self.assertIn(provider2, all_providers)
+        self.assertIn(provider3, all_providers)
+
+    def test_traverse_types_filtering(self):
+        provider1 = providers.Resource(dict)
+        provider2 = providers.Resource(dict)
+        provider3 = providers.Provider()
+
+        provider = providers.Provider()
+
+        provider.override(provider1)
+        provider.override(provider2)
+        provider.override(provider3)
+
+        all_providers = list(providers.traverse(provider, types=[providers.Resource]))
+
+        self.assertEqual(len(all_providers), 2)
+        self.assertIn(provider1, all_providers)
+        self.assertIn(provider2, all_providers)
+
+
 class ProviderTests(unittest.TestCase):
 
     def test_traversal_overriding(self):
@@ -42,26 +80,22 @@ class ProviderTests(unittest.TestCase):
         self.assertIn(provider2, all_providers)
         self.assertIn(provider3, all_providers)
 
-    def test_traversal_overriding_cycled(self):
-        provider1 = providers.Provider()
-
-        provider2 = providers.Provider()
-        provider2.override(provider1)
-
+    def test_traverse_types_filtering(self):
+        provider1 = providers.Resource(dict)
+        provider2 = providers.Resource(dict)
         provider3 = providers.Provider()
-        provider3.override(provider2)
-
-        provider1.override(provider3)  # Cycle: provider3 -> provider2 -> provider1 -> provider3
 
         provider = providers.Provider()
+
+        provider.override(provider1)
+        provider.override(provider2)
         provider.override(provider3)
 
-        all_providers = list(provider.traverse())
+        all_providers = list(provider.traverse(types=[providers.Resource]))
 
-        self.assertEqual(len(all_providers), 3)
+        self.assertEqual(len(all_providers), 2)
         self.assertIn(provider1, all_providers)
         self.assertIn(provider2, all_providers)
-        self.assertIn(provider3, all_providers)
 
 
 class ObjectTests(unittest.TestCase):