Create a Python wheel with tests needed for the Interoperability Debugging Tool (IDT) (project-chip#39748)

* build a wheel

* remove authors

* addressing gemini comments

Author: khodya

BUILD.gn

@@ -129,6 +129,7 @@ if (current_toolchain != "${dir_pw_toolchain}/default:default") {
         "${chip_root}/scripts/py_matter_yamltests:matter-yamltests.wheel",
         "${chip_root}/src/controller/python:chip-repl",
         "${chip_root}/src/python_testing/matter_testing_infrastructure:chip-testing.wheel",
+        "${chip_root}/src/python_testing/post_certification_tests:matter-post-certification-tests.wheel",
       ]
     }
   }

src/python_testing/post_certification_tests/BUILD.gn

@@ -0,0 +1,64 @@
+# Copyright (c) 2025 Project CHIP Authors
+#
+# 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.
+
+import("//build_overrides/build.gni")
+import("//build_overrides/chip.gni")
+import("//build_overrides/pigweed.gni")
+import("$dir_pw_build/python_dist.gni")
+
+idt_files = [
+  "${chip_root}/src/python_testing/post_certification_tests/production_device_checks.py",
+  "${chip_root}/src/python_testing/TC_DA_1_2.py",
+  "${chip_root}/src/python_testing/TC_DA_1_7.py",
+]
+
+credentials_files = [ "${chip_root}/credentials/fetch_paa_certs_from_dcl.py" ]
+
+_version = "1.4.2"
+
+pw_python_package("post-certification-tests-module") {
+  generate_setup = {
+    metadata = {
+      name = "post-certification-tests-module"
+      version = _version
+    }
+  }
+
+  # NOTE: production_device_checks.py is included here because `sources` is
+  # a mandatory parameter. It is also included in `extra_files` to place it
+  # in the correct directory in the final wheel. This duplication is a known
+  # issue due to build system limitations.
+  sources = [ "production_device_checks.py" ]
+}
+
+pw_python_distribution("matter-post-certification-tests") {
+  packages = [ ":post-certification-tests-module" ]
+
+  generate_setup_cfg = {
+    name = "matter-post-certification-tests"
+    version = _version
+    include_default_pyproject_file = true
+    include_extra_files_in_package_data = true
+  }
+
+  extra_files = []
+
+  foreach(file, idt_files) {
+    extra_files +=
+        [ "${file} > chip/testing/idt/" + get_path_info(file, "file") ]
+  }
+  foreach(file, credentials_files) {
+    extra_files += [ "${file} > credentials/" + get_path_info(file, "file") ]
+  }
+}