remove intalling gevent for unit testing since it's now mocked

Author: srprash

aws-opentelemetry-distro/tests/amazon/opentelemetry/distro/patches/test_gevent_patches.py

@@ -1,10 +1,18 @@
 # Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 # SPDX-License-Identifier: Apache-2.0
 import os
+import sys
 from importlib.metadata import PackageNotFoundError
 from unittest import TestCase
 from unittest.mock import MagicMock, patch
 
+# Create a mock gevent module that can be imported
+# This allows tests to run without gevent installed
+_mock_gevent = MagicMock()
+_mock_gevent.monkey = MagicMock()
+sys.modules['gevent'] = _mock_gevent
+sys.modules['gevent.monkey'] = _mock_gevent.monkey
+
 from amazon.opentelemetry.distro.patches._gevent_patches import (
     AWS_GEVENT_PATCH_MODULES,
     _is_gevent_installed,

tox.ini

@@ -34,7 +34,6 @@ commands_pre =
 ; Install common packages for all the tests. These are not needed in all the
 ; cases but it saves a lot of boilerplate in this file.
   test: pip install botocore
-  test: pip install gevent
   test: pip install opentelemetry-api[test]@{env:CORE_REPO}\#egg=opentelemetry-api&subdirectory=opentelemetry-api
   test: pip install opentelemetry-sdk[test]@{env:CORE_REPO}\#egg=opentelemetry-sdk&subdirectory=opentelemetry-sdk
   test: pip install opentelemetry-instrumentation[test]@{env:CONTRIB_REPO}\#egg=opentelemetry-instrumentation&subdirectory=opentelemetry-instrumentation