Refactor: Correct polling infrequent usecase

Author: pfranck

Diff for: polling/infrequent/activities.py

@@ -13,7 +13,8 @@ class ComposeGreetingInput:
 
 @activity.defn
 async def compose_greeting(input: ComposeGreetingInput) -> str:
-    test_service = TestService()
+    attempt = activity.info().attempt - 1
+    test_service = TestService(attempt=attempt)
     # If this raises an exception because it's not done yet, the activity will
     # continually be scheduled for retry
     return await test_service.get_service_result(input)

Diff for: polling/test_service.py

@@ -1,7 +1,7 @@
 class TestService:
-    def __init__(self):
-        self.try_attempts = 0
-        self.error_attempts = 5
+    def __init__(self, attempt=0, error_attempts=5):
+        self.try_attempts = attempt
+        self.error_attempts = error_attempts
 
     async def get_service_result(self, input):
         print(