feat: Set default for bypass_multi_tools_limit to False for GoogleSearchTool and VertexAiSearchTool

PiperOrigin-RevId: 818053371

src/google/adk/tools/google_search_tool.py

@@ -35,7 +35,7 @@ class GoogleSearchTool(BaseTool):
   local code execution.
   """
 
-  def __init__(self, *, bypass_multi_tools_limit: bool = True):
+  def __init__(self, *, bypass_multi_tools_limit: bool = False):
     """Initializes the Google search tool.
 
     Args:

src/google/adk/tools/vertex_ai_search_tool.py

@@ -47,7 +47,7 @@ class VertexAiSearchTool(BaseTool):
       search_engine_id: Optional[str] = None,
       filter: Optional[str] = None,
       max_results: Optional[int] = None,
-      bypass_multi_tools_limit: bool = True,
+      bypass_multi_tools_limit: bool = False,
   ):
     """Initializes the Vertex AI Search tool.
 

tests/unittests/agents/test_llm_agent_fields.py

@@ -299,7 +299,7 @@ class TestCanonicalTools:
         model='gemini-pro',
         tools=[
             self._my_tool,
-            google_search,
+            GoogleSearchTool(bypass_multi_tools_limit=True),
         ],
     )
     ctx = await _create_readonly_context(agent)
@@ -373,7 +373,10 @@ class TestCanonicalTools:
         model='gemini-pro',
         tools=[
             self._my_tool,
-            VertexAiSearchTool(data_store_id='test_data_store_id'),
+            VertexAiSearchTool(
+                data_store_id='test_data_store_id',
+                bypass_multi_tools_limit=True,
+            ),
         ],
     )
     ctx = await _create_readonly_context(agent)

tests/unittests/flows/llm_flows/test_base_llm_flow.py

@@ -25,12 +25,14 @@ from google.adk.models.llm_request import LlmRequest
 from google.adk.models.llm_response import LlmResponse
 from google.adk.plugins.base_plugin import BasePlugin
 from google.adk.tools.base_toolset import BaseToolset
-from google.adk.tools.google_search_tool import google_search
+from google.adk.tools.google_search_tool import GoogleSearchTool
 from google.genai import types
 import pytest
 
 from ... import testing_utils
 
+google_search = GoogleSearchTool(bypass_multi_tools_limit=True)
+
 
 class BaseLlmFlowForTesting(BaseLlmFlow):
   """Test implementation of BaseLlmFlow for testing purposes."""