def find_schema_yml(cls, package_name, root_dir, relative_dirs):
        """This is common to both v1 and v2 - look through the relative_dirs
        under root_dir for .yml files yield pairs of filepath and loaded yaml
        contents.
        """
        extension = "[!.#~]*.yml"

        file_matches = dbt.clients.system.find_matching(
            root_dir,
            relative_dirs,
            extension)

        for file_match in file_matches:
            file_contents = dbt.clients.system.load_file_contents(
                file_match.get('absolute_path'), strip=False)
            test_path = file_match.get('relative_path', '')

            original_file_path = os.path.join(file_match.get('searched_path'),
                                              test_path)

            try:
                test_yml = dbt.clients.yaml_helper.load_yaml_text(
                    file_contents
                )
            except dbt.exceptions.ValidationException as e:
                test_yml = None
                logger.info("Error reading {}:{} - Skipping\n{}".format(
                            package_name, test_path, e))

            if test_yml is None:
                continue

            yield original_file_path, test_yml
This is common to both v1 and v2 - look through the relative_dirs
        under root_dir for .yml files yield pairs of filepath and loaded yaml
        contents.