diff --git a/tests/contrib/google_adk_agents/test_adk_streaming.py b/tests/contrib/google_adk_agents/test_adk_streaming.py
index 30aecd9f4..d426990bb 100644
--- a/tests/contrib/google_adk_agents/test_adk_streaming.py
+++ b/tests/contrib/google_adk_agents/test_adk_streaming.py
@@ -12,7 +12,12 @@
 
 import pytest
 from google.adk import Agent
-from google.adk.agents.run_config import RunConfig, StreamingMode
+
+# ADK 2.7 marks StreamingMode as a private re-export.
+from google.adk.agents.run_config import (
+    RunConfig,
+    StreamingMode,  # pyright: ignore[reportPrivateImportUsage]
+)
 from google.adk.models import BaseLlm, LLMRegistry
 from google.adk.models.llm_request import LlmRequest
 from google.adk.models.llm_response import LlmResponse
diff --git a/tests/contrib/google_genai/test_gemini.py b/tests/contrib/google_genai/test_gemini.py
index 0881f63b3..880f996f9 100644
--- a/tests/contrib/google_genai/test_gemini.py
+++ b/tests/contrib/google_genai/test_gemini.py
@@ -292,8 +292,8 @@ async def gemini_file_search_stores_upload(
         self, req: _GeminiUploadToFileSearchStoreRequest
     ) -> types.UploadToFileSearchStoreOperation:
         self.file_search_store_upload_requests.append(req)
-        return types.UploadToFileSearchStoreOperation.model_construct(
-            name="operations/test-op",
+        return types.UploadToFileSearchStoreOperation.model_validate(
+            {"name": "operations/test-op"}
         )
 
     @activity.defn
@@ -1387,8 +1387,8 @@ async def _gen():
     )
     gemini.aio.files.download = AsyncMock(return_value=b"mock download content")  # type: ignore[method-assign]
     gemini.aio.file_search_stores.upload_to_file_search_store = AsyncMock(  # type: ignore[method-assign]
-        return_value=types.UploadToFileSearchStoreOperation.model_construct(
-            name="operations/mock-op"
+        return_value=types.UploadToFileSearchStoreOperation.model_validate(
+            {"name": "operations/mock-op"}
         )
     )
 
diff --git a/tests/nexus/test_temporal_system_nexus.py b/tests/nexus/test_temporal_system_nexus.py
index 6a9bc9959..dc49f0302 100644
--- a/tests/nexus/test_temporal_system_nexus.py
+++ b/tests/nexus/test_temporal_system_nexus.py
@@ -566,13 +566,10 @@ def _proto_scalar_sample(field: FieldDescriptor, *, path: str) -> Any:
 
 
 def _field_is_repeated(field: FieldDescriptor) -> bool:
-    return bool(
-        getattr(
-            field,
-            "is_repeated",
-            getattr(field, "label") == FieldDescriptor.LABEL_REPEATED,
-        )
-    )
+    is_repeated = getattr(field, "is_repeated", None)
+    if is_repeated is not None:
+        return bool(is_repeated)
+    return getattr(field, "label") == FieldDescriptor.LABEL_REPEATED
 
 
 @pytest.mark.parametrize(