client/common_lib/perf_expectations/perf_expectations_test.json

{
"stumpy/desktopui_PyAutoPerfTests/milliseconds_NewTabCalendar": {"improve": "1230.000000", "regress": "1248.000000", "better":"lower"},
"stumpy/desktopui_PyAutoPerfTests/milliseconds_NewTabCalendar": {"improve": "870.000000", "regress": "880.000000", "better":"lower"},
"stumpy/test_1/higher_is_better_trace": {"improve": "200.0", "regress": "100.0", "better":"higher"},
"stumpy/test_1/lower_is_better_trace": {"improve": "100.0", "regress": "200.0", "better":"lower"}
}