esp_http_server: Minor updates in error messages

idf_http_server_test/client.py: Update test script with new error message

tools/ci/python_packages/idf_http_server_test/client.py

@@ -1,18 +1,7 @@
 #!/usr/bin/env python
 #
-# Copyright 2018 Espressif Systems (Shanghai) PTE LTD
-#
-# 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.
+# SPDX-FileCopyrightText: 2018-2022 Espressif Systems (Shanghai) CO LTD
+# SPDX-License-Identifier: Apache-2.0
 
 from __future__ import print_function, unicode_literals
 
@@ -206,7 +195,7 @@ def test_put_handler(ip, port, verbosity=False):
             raise AssertionError
 
         verbose_print(verbosity, 'Response on GET /invalid : ' + resp_data)
-        if not test_val('Response mismatch', 'This URI does not exist', resp_data):
+        if not test_val('Response mismatch', 'Nothing matches the given URI', resp_data):
             raise AssertionError
 
     except http.client.HTTPException: