ci: match the environment with internal ones for pyink/isort/unittest

Previously submitted change is causing [Pyink error](https://github.com/google/adk-python/actions/runs/21884351396/job/63176122118) in repo because Pyink recently updated to 25.12.0.

Co-authored-by: Liang Wu <wuliang@google.com>
PiperOrigin-RevId: 868806575

tests/unittests/tools/apihub_tool/clients/test_apihub_client.py

@@ -489,7 +489,9 @@ class TestAPIHubClient:
         MagicMock(
             status_code=200,
             json=lambda: {
-                "name": "projects/test-project/locations/us-central1/apis/api1/versions/v1",
+                "name": (
+                    "projects/test-project/locations/us-central1/apis/api1/versions/v1"
+                ),
                 "specs": [],
             },
         ),  # No specs

tests/unittests/tools/openapi_tool/openapi_spec_parser/test_openapi_spec_parser.py

@@ -371,7 +371,9 @@ def test_parse_external_ref_raises_error(openapi_spec_generator):
                           "content": {
                               "application/json": {
                                   "schema": {
-                                      "$ref": "external_file.json#/components/schemas/ExternalSchema"
+                                      "$ref": (
+                                          "external_file.json#/components/schemas/ExternalSchema"
+                                      )
                                   }
                               }
                           },

tests/unittests/tools/test_function_tool.py

@@ -200,9 +200,11 @@ async def test_run_async_1_missing_arg_sync_func():
   args = {"arg1": "test_value_1"}
   result = await tool.run_async(args=args, tool_context=MagicMock())
   assert result == {
-      "error": """Invoking `function_for_testing_with_2_arg_and_no_tool_context()` failed as the following mandatory input parameters are not present:
+      "error": (
+          """Invoking `function_for_testing_with_2_arg_and_no_tool_context()` failed as the following mandatory input parameters are not present:
 arg2
 You could retry calling this tool, but it is IMPORTANT for you to provide all the mandatory parameters."""
+      )
   }
 
 
@@ -213,9 +215,11 @@ async def test_run_async_1_missing_arg_async_func():
   args = {"arg2": "test_value_1"}
   result = await tool.run_async(args=args, tool_context=MagicMock())
   assert result == {
-      "error": """Invoking `async_function_for_testing_with_2_arg_and_no_tool_context()` failed as the following mandatory input parameters are not present:
+      "error": (
+          """Invoking `async_function_for_testing_with_2_arg_and_no_tool_context()` failed as the following mandatory input parameters are not present:
 arg1
 You could retry calling this tool, but it is IMPORTANT for you to provide all the mandatory parameters."""
+      )
   }
 
 
@@ -226,11 +230,13 @@ async def test_run_async_3_missing_arg_sync_func():
   args = {"arg2": "test_value_1"}
   result = await tool.run_async(args=args, tool_context=MagicMock())
   assert result == {
-      "error": """Invoking `function_for_testing_with_4_arg_and_no_tool_context()` failed as the following mandatory input parameters are not present:
+      "error": (
+          """Invoking `function_for_testing_with_4_arg_and_no_tool_context()` failed as the following mandatory input parameters are not present:
 arg1
 arg3
 arg4
 You could retry calling this tool, but it is IMPORTANT for you to provide all the mandatory parameters."""
+      )
   }
 
 
@@ -241,11 +247,13 @@ async def test_run_async_3_missing_arg_async_func():
   args = {"arg3": "test_value_1"}
   result = await tool.run_async(args=args, tool_context=MagicMock())
   assert result == {
-      "error": """Invoking `async_function_for_testing_with_4_arg_and_no_tool_context()` failed as the following mandatory input parameters are not present:
+      "error": (
+          """Invoking `async_function_for_testing_with_4_arg_and_no_tool_context()` failed as the following mandatory input parameters are not present:
 arg1
 arg2
 arg4
 You could retry calling this tool, but it is IMPORTANT for you to provide all the mandatory parameters."""
+      )
   }
 
 
@@ -256,12 +264,14 @@ async def test_run_async_missing_all_arg_sync_func():
   args = {}
   result = await tool.run_async(args=args, tool_context=MagicMock())
   assert result == {
-      "error": """Invoking `function_for_testing_with_4_arg_and_no_tool_context()` failed as the following mandatory input parameters are not present:
+      "error": (
+          """Invoking `function_for_testing_with_4_arg_and_no_tool_context()` failed as the following mandatory input parameters are not present:
 arg1
 arg2
 arg3
 arg4
 You could retry calling this tool, but it is IMPORTANT for you to provide all the mandatory parameters."""
+      )
   }
 
 
@@ -272,12 +282,14 @@ async def test_run_async_missing_all_arg_async_func():
   args = {}
   result = await tool.run_async(args=args, tool_context=MagicMock())
   assert result == {
-      "error": """Invoking `async_function_for_testing_with_4_arg_and_no_tool_context()` failed as the following mandatory input parameters are not present:
+      "error": (
+          """Invoking `async_function_for_testing_with_4_arg_and_no_tool_context()` failed as the following mandatory input parameters are not present:
 arg1
 arg2
 arg3
 arg4
 You could retry calling this tool, but it is IMPORTANT for you to provide all the mandatory parameters."""
+      )
   }
 
 

tests/unittests/tools/test_set_model_response_tool.py

@@ -14,7 +14,6 @@
 
 """Tests for SetModelResponseTool."""
 
-
 from google.adk.agents.invocation_context import InvocationContext
 from google.adk.agents.llm_agent import LlmAgent
 from google.adk.agents.run_config import RunConfig