Solve serial test for apple.
@@ -301,7 +301,7 @@ TEST_F(serial_test, DefaultConstructor)
#else
"0x000A7EF2",
#endif
- #elif defined(__linux) || defined(__linux__)
+ #elif defined(__linux) || defined(__linux__) || defined(__APPLE__)
"0xa7ef2",
#else
"<unknown>",
