42     auto duration = 500ms;  in TEST()  local
43     bool ret = req.AddRequest("INTERACTION", start + duration);  in TEST()
49     EXPECT_NEAR((duration - sleep_time).count(), expire_time.count(),  in TEST()
74     auto duration = 5ms;  in TEST()  local
75     bool ret = req.AddRequest("INTERACTION", start + duration);  in TEST()
77     ret = req.AddRequest("INTERACTION", start + duration + 1ms);  in TEST()
79     std::this_thread::sleep_for(duration + 10ms);  in TEST()
90     auto duration = 5000ms;  in TEST()  local
91     bool ret = req.AddRequest("INTERACTION", start + duration);  in TEST()
95     EXPECT_NEAR(duration.count(), expire_time.count(), kTIMING_TOLERANCE_MS);  in TEST()
103     EXPECT_NEAR(duration.count(), expire_time.count(), kTIMING_TOLERANCE_MS);  in TEST()
107     duration = 10000ms;  in TEST()
108     ret = req.AddRequest("INTERACTION", start + duration);  in TEST()
111     EXPECT_NEAR(duration.count(), expire_time.count(), kTIMING_TOLERANCE_MS);  in TEST()