PY-53643 Missing "async" statement when pulling method up as abstract

GitOrigin-RevId: fa2b7329d462abaf71eb61d33f6b30c931a26a2f

python/testData/refactoring/pullup/abstractAsyncMethod/Class.after.py

@@ -0,0 +1,6 @@
+from SuperClass import Parent
+
+class Child(Parent):
+    async def async_method(self):
+        """An async method that should be pulled up"""
+        return "result"

python/testData/refactoring/pullup/abstractAsyncMethod/Class.py

@@ -0,0 +1,6 @@
+from SuperClass import Parent
+
+class Child(Parent):
+    async def async_method(self):
+        """An async method that should be pulled up"""
+        return "result"

python/testData/refactoring/pullup/abstractAsyncMethod/SuperClass.after.py

@@ -0,0 +1,8 @@
+from abc import ABCMeta, abstractmethod
+
+
+class Parent(metaclass=ABCMeta):
+    @abstractmethod
+    async def async_method(self):
+        """An async method that should be pulled up"""
+        pass

python/testData/refactoring/pullup/abstractAsyncMethod/SuperClass.py

@@ -0,0 +1,2 @@
+class Parent:
+    pass