test: resolve timing flake in test_bidi.py by adding tolerance to wait time assertion

Author: hebaalazzeh

packages/google-api-core/tests/unit/test_bidi.py

@@ -31,8 +31,7 @@
 except ImportError:  # pragma: NO COVER
     pytest.skip("No GRPC", allow_module_level=True)
 
-from google.api_core import bidi
-from google.api_core import exceptions
+from google.api_core import bidi, exceptions
 
 
 class Test_RequestQueueGenerator(object):
@@ -195,7 +194,7 @@ def test_delays_entry_attempts_above_threshold(self):
         # (NOTE: not using assert all(...), b/c the coverage check would complain)
         for i, entry in enumerate(entries):
             if i != 3:
-                assert entry["reported_wait"] == 0.0
+                assert entry["reported_wait"] < 0.01
 
         # The delayed entry is expected to have been delayed for a significant
         # chunk of the full second, and the actual and reported delay times