Remove clang-format-12 dependency in unit test

Uses generic clang-format instead.

Author: mansnils

Tests/UnitTest/RefactoredTestGen/Lib/test.py

@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: Copyright 2024 Arm Limited and/or its affiliates <open-source-office@arm.com>
+# SPDX-FileCopyrightText: Copyright 2024, 2026 Arm Limited and/or its affiliates <open-source-office@arm.com>
 #
 # SPDX-License-Identifier: Apache-2.0
 #
@@ -360,7 +360,7 @@ def append_alias_to_c_array_file(fname, dtype, prefix, tensor_name, alias_name):
 
 
 def format_output_file(file):
-    CLANG_FORMAT = 'clang-format-12 -i'  # For formatting generated headers.
+    CLANG_FORMAT = 'clang-format -i'  # For formatting generated headers.
     command_list = CLANG_FORMAT.split(' ')
     command_list.append(file)
     try:

Tests/UnitTest/test_settings.py

@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: Copyright 2010-2024 Arm Limited and/or its affiliates <open-source-office@arm.com>
+# SPDX-FileCopyrightText: Copyright 2010-2024, 2026 Arm Limited and/or its affiliates <open-source-office@arm.com>
 #
 # SPDX-License-Identifier: Apache-2.0
 #
@@ -53,7 +53,7 @@ class TestSettings(ABC):
 
     REQUIRED_MINIMUM_TENSORFLOW_VERSION = version.parse("2.10")
 
-    CLANG_FORMAT = 'clang-format-12 -i'  # For formatting generated headers.
+    CLANG_FORMAT = 'clang-format -i'  # For formatting generated headers.
 
     def __init__(self,
                  dataset,