diff --git a/tests/unit/providers/test_async_py36.py b/tests/unit/providers/test_async_py36.py
index da97d8bb..c963114c 100644
--- a/tests/unit/providers/test_async_py36.py
+++ b/tests/unit/providers/test_async_py36.py
@@ -473,7 +473,12 @@ class DependencyTests(AsyncTestCase):
         provider = providers.Dependency(instance_of=float)
         provider.override(providers.Callable(get_async))
 
+        self.assertTrue(provider.is_async_mode_undefined())
+
         dependency1 = self._run(provider())
+
+        self.assertTrue(provider.is_async_mode_enabled())
+
         dependency2 = self._run(provider())
 
         self.assertEqual(dependency1, dependency)
@@ -486,9 +491,13 @@ class DependencyTests(AsyncTestCase):
         provider = providers.Dependency(instance_of=float)
         provider.override(providers.Callable(get_async))
 
+        self.assertTrue(provider.is_async_mode_undefined())
+
         with self.assertRaises(errors.Error):
             self._run(provider())
 
+        self.assertTrue(provider.is_async_mode_enabled())
+
     def test_async_mode(self):
         dependency = 123
 
@@ -501,7 +510,12 @@ class DependencyTests(AsyncTestCase):
         provider = providers.Dependency(instance_of=int)
         provider.override(providers.Factory(get_async))
 
+        self.assertTrue(provider.is_async_mode_undefined())
+
         dependency1 = self._run(provider())
+
+        self.assertTrue(provider.is_async_mode_enabled())
+
         dependency2 = self._run(provider())
         self.assertEqual(dependency1, dependency)
         self.assertEqual(dependency2, dependency)
@@ -509,6 +523,9 @@ class DependencyTests(AsyncTestCase):
         provider.override(providers.Factory(get_sync))
 
         dependency3 = self._run(provider())
+
+        self.assertTrue(provider.is_async_mode_enabled())
+
         dependency4 = self._run(provider())
         self.assertEqual(dependency3, dependency)
         self.assertEqual(dependency4, dependency)