Refactor fake credentials to enable reuse.

Author: michaelsafyan

instrumentation-genai/opentelemetry-instrumentation-google-genai/tests/common/auth.py

@@ -0,0 +1,20 @@
+# Copyright The OpenTelemetry Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import google.auth
+
+class FakeCredentials(google.auth.credentials.AnonymousCredentials):
+
+    def refresh(self, request):
+        pass

instrumentation-genai/opentelemetry-instrumentation-google-genai/tests/common/base.py

@@ -17,15 +17,11 @@
 
 import google.genai
 
+from .auth import FakeCredentials
 from .instrumentation_context import InstrumentationContext
 from .otel_mocker import OTelMocker
 
 
-class _FakeCredentials(google.auth.credentials.AnonymousCredentials):
-    def refresh(self, request):
-        pass
-
-
 class TestCase(unittest.TestCase):
     def setUp(self):
         self._otel = OTelMocker()
@@ -36,7 +32,7 @@ def setUp(self):
         self._location = "test-location"
         self._client = None
         self._uses_vertex = False
-        self._credentials = _FakeCredentials()
+        self._credentials = FakeCredentials()
 
     def _lazy_init(self):
         self._instrumentation_context = InstrumentationContext()