Snap for 7142207 from aa24ad1a to sc-release am: bf42f712

        // For each element of testdata, check that the expected output appears in the dump output.

        // If not, fail the test and use hintRegex to print similar lines to assist in debugging.

        for (const auto& td : mExpectedLogData) {

            const std::string toErase = "(null)";

            const bool found =

                    std::any_of(lines.begin(), lines.end(), [&](const std::string& line) {

                        std::smatch match;

                        if (!std::regex_match(line, match, lineRegex)) return false;

                        return (match.size() == 2) && (match[1].str() == td.output);

                        if (match.size() != 2) return false;

                        // The binder_to_string format is changed from S that will add "(null)" to

                        // the log on method's argument if binder object is null. But Q and R don't

                        // have this format in log. So to make register null listener tests are

                        // compatible from all version, just remove the "(null)" argument from

                        // output logs if existed.

                        std::string output = match[1].str();

                        const auto pos = output.find(toErase);

                        if (pos != std::string::npos && pos < output.length()) {

                            output.erase(pos, toErase.length());

                        }

                        return output == td.output;

                    });

            EXPECT_TRUE(found) << "Didn't find line '" << td.output << "' in dumpsys output.";

            if (found) continue;