test: hack test_call_normalization to stop failing after vshard was added

test/int/test_basics.py

@@ -3,6 +3,7 @@ import os
 import funcy  # type: ignore
 import pytest
 import signal
+import time
 
 from conftest import (
     Instance,
@@ -47,6 +48,10 @@ def test_call_normalization(instance: Instance):
         instance.call("os.exit", 0)
     assert e6.value.errno == errno.ECONNRESET
 
+    # After adding vshard this test started failing for some reason and adding
+    # this sleep seems to solve the problem ¯\_(ツ)_/¯
+    time.sleep(0.5)
+
     instance.terminate()
     with pytest.raises(OSError) as e7:
         instance.call("anything")