diff --git a/testData/typecheckerinspection/acceptableType.py b/testData/typecheckerinspection/acceptableType.py
index 2861b6f9..ce242fa1 100644
--- a/testData/typecheckerinspection/acceptableType.py
+++ b/testData/typecheckerinspection/acceptableType.py
@@ -15,4 +15,9 @@ def get_unknown_type_value():
     raise Exception()
 
 A(a=get_unknown_type_value())
-A(<warning descr="Expected type 'str', got 'None' instead">a=None</warning>)
\ No newline at end of file
+A(<warning descr="Expected type 'str', got 'None' instead">a=None</warning>)
+
+class B:
+    pass
+
+A(<warning descr="Expected type 'str', got 'B' instead">a=B()</warning>)