add test and rc file

tests/functional/p/protocol_classes_abstract.py

@@ -1,5 +1,7 @@
 """Test that classes inheriting from protocols should not warn about abstract-method."""
+
 # pylint: disable=too-few-public-methods,disallowed-name,invalid-name
+
 from abc import abstractmethod
 from typing import Protocol, Literal
 
@@ -14,18 +16,22 @@ def foo(self) -> Literal["foo"]:
     def foo_no_abstract(self) -> Literal["foo"]:
         """foo not abstract method"""
 
+
 class BarProtocol(Protocol):
     """Bar Protocol"""
     @abstractmethod
     def bar(self) -> Literal["bar"]:
         """bar method"""
 
 
-
 class FooBarProtocol(FooProtocol, BarProtocol, Protocol):
     """FooBar Protocol"""
 
 
+class IndirectProtocol(FooProtocol):
+    """Doesn't subclass typing.Protocol directly"""
+
+
 class FooBar(FooBarProtocol):
     """FooBar object"""
 

tests/functional/p/protocol_classes_abstract.rc

@@ -0,0 +1,2 @@
+[testoptions]
+min_pyver=3.8