fixed reporter_output_test
diff --git a/test/reporter_output_test.cc b/test/reporter_output_test.cc
index c09fbb6..b3898ac 100644
--- a/test/reporter_output_test.cc
+++ b/test/reporter_output_test.cc
@@ -189,7 +189,7 @@
 }
 BENCHMARK(BM_Complexity_O1)->Range(1, 1<<18)->Complexity(benchmark::o1);
 
-std::string bigOStr = "[0-9]+\\.[0-9]+ \\* [0-9]+";
+std::string bigOStr = "[0-9]+\\.[0-9]+ \\([0-9]+\\)";
 
 ADD_CASES(&ConsoleOutputTests, {
    {join("^BM_Complexity_O1_BigO", bigOStr, bigOStr) + "[ ]*$"},