Move sleep after first getfattr check

tests/test_webservice.py

@@ -74,6 +74,6 @@ async def test_wait_on_transfer(tmp_path):
         'getfattr',
         content="""#!{}\nprint('user.status="dCache"')""".format(sys.executable)
     )
-    with mock.patch('asyncio.sleep'), mock_getfattr:
+    with mock_getfattr:
         res = await wait_on_transfer(tmp_path, max_tries=1)
     assert res is True

webservice/webservice.py

@@ -498,7 +498,6 @@ async def wait_on_transfer(rpath, max_tries=300):
     # FIXME: if not kafka, then do event-driven, no sleep
     # wait until files are migrated
     while True:
-        await asyncio.sleep(10)
         retcode, stdout = await run_proc_async([
             "getfattr", "-n", "user.status", rpath
         ])
@@ -507,6 +506,7 @@ async def wait_on_transfer(rpath, max_tries=300):
         if tries > max_tries:
             return False
         tries += 1
+        await asyncio.sleep(10)
 
 
 def check_files(in_folder: str,