Put test into test_features, simplify to call parse directly

betterproto/tests/inputs/repeated/repeated.proto

@@ -1,11 +1,5 @@
 syntax = "proto3";
 
-package repeated;
-
 message Test {
     repeated string names = 1;
 }
-
-service ExampleService {
-  rpc DoThing (Test) returns (Test);
-}

betterproto/tests/inputs/repeated/test_repeated.py

@@ -1,34 +0,0 @@
-from typing import Dict
-
-import grpclib.const
-import grpclib.server
-import pytest
-from grpclib.testing import ChannelFor
-
-import betterproto
-from betterproto.tests.output_betterproto.repeated.repeated import (
-    ExampleServiceStub,
-    Test,
-)
-
-
-class ExampleService:
-    async def DoThing(self, stream: "grpclib.server.Stream[Test, Test]"):
-        request = await stream.recv_message()
-        await stream.send_message(request)
-
-    def __mapping__(self) -> Dict[str, grpclib.const.Handler]:
-        return {
-            "/repeated.ExampleService/DoThing": grpclib.const.Handler(
-                self.DoThing, grpclib.const.Cardinality.UNARY_UNARY, Test, Test,
-            ),
-        }
-
-
-@pytest.mark.asyncio
-async def test_sets_serialized_on_wire() -> None:
-    async with ChannelFor([ExampleService()]) as channel:
-        stub = ExampleServiceStub(channel)
-        response = await stub.do_thing(names=["a", "b", "c"])
-        assert betterproto.serialized_on_wire(response)
-        assert response.names == ["a", "b", "c"]