refactor(api-core): revert unrelated changes in noxfile and test_bidi

Author: hebaalazzeh

packages/google-api-core/noxfile.py

@@ -350,7 +350,7 @@ def prerelease_deps(session):
 @nox.session(python=DEFAULT_PYTHON_VERSION)
 def core_deps_from_source(session):
     """Run the test suite installing dependencies from source."""
-    default(session, install_deps_from_source=True)
+    default(session, prerelease=True)
 
 
 @nox.session(python=DEFAULT_PYTHON_VERSION)

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

@@ -31,7 +31,8 @@
 except ImportError:  # pragma: NO COVER
     pytest.skip("No GRPC", allow_module_level=True)
 
-from google.api_core import bidi, exceptions
+from google.api_core import bidi
+from google.api_core import exceptions
 
 
 class Test_RequestQueueGenerator(object):
@@ -194,7 +195,7 @@ 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"] < 0.01
+                assert entry["reported_wait"] == 0.0
 
         # The delayed entry is expected to have been delayed for a significant
         # chunk of the full second, and the actual and reported delay times