Unit test fix (#402)

* Daily Sync with Botocore v1.42.89 on 2026/04/14

* fix(test): Update invoke_async test for new s3_output_path_extension and filename params

Update test_generate_invoke_async_method expected output to include the
new s3_output_path_extension and filename parameters added in the
Botocore v1.42.89 sync for InvokeEndpointAsync API.

---------

Co-authored-by: sagemaker-bot <sagemaker-bot@amazon.com>

Author: nargokul

sample/sagemaker-runtime/2017-05-13/service-2.json

@@ -91,6 +91,12 @@
       "pattern":"^[a-zA-Z0-9](-*[a-zA-Z0-9])*"
     },
     "ErrorCode":{"type":"string"},
+    "FilenameHeader":{
+      "type":"string",
+      "max":32,
+      "min":1,
+      "pattern":"^(?!.*\\..*\\.)[a-zA-Z0-9][a-zA-Z0-9-_\\.]*$"
+    },
     "Header":{
       "type":"string",
       "max":1024,
@@ -193,6 +199,18 @@
           "location":"header",
           "locationName":"X-Amzn-SageMaker-InputLocation"
         },
+        "S3OutputPathExtension":{
+          "shape":"S3OutputPathExtensionHeader",
+          "documentation":"<p>The path extension that is appended to the Amazon S3 output path where the inference response payload is stored.</p>",
+          "location":"header",
+          "locationName":"X-Amzn-SageMaker-S3OutputPathExtension"
+        },
+        "Filename":{
+          "shape":"FilenameHeader",
+          "documentation":"<p>The filename for the inference response payload stored in Amazon S3. If not specified, Amazon SageMaker AI generates a filename based on the inference ID.</p>",
+          "location":"header",
+          "locationName":"X-Amzn-SageMaker-Filename"
+        },
         "RequestTTLSeconds":{
           "shape":"RequestTTLSecondsHeader",
           "documentation":"<p>Maximum age in seconds a request can be in the queue before it is marked as expired. The default is 6 hours, or 21,600 seconds.</p>",
@@ -537,6 +555,12 @@
       "documentation":"<p>A stream of payload parts. Each part contains a portion of the response for a streaming inference request.</p>",
       "eventstream":true
     },
+    "S3OutputPathExtensionHeader":{
+      "type":"string",
+      "max":512,
+      "min":1,
+      "pattern":"^(?!s3:|https:)[a-zA-Z0-9!_.*'()/-]+$"
+    },
     "ServiceUnavailable":{
       "type":"structure",
       "members":{