tests+tools: minor code cleanup

Change-Id: Ic3356d4a18a8e5eeb45fc076fc0563c3d1549c8a
diff --git a/daemon/fw/asf-measurements.hpp b/daemon/fw/asf-measurements.hpp
index b5b1f8e..a3775b0 100644
--- a/daemon/fw/asf-measurements.hpp
+++ b/daemon/fw/asf-measurements.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2018,  Regents of the University of California,
+ * Copyright (c) 2014-2019,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -316,7 +316,7 @@
   extendLifetime(measurements::Entry& me);
 
 public:
-  static constexpr time::microseconds MEASUREMENTS_LIFETIME = 300_s;
+  static constexpr time::microseconds MEASUREMENTS_LIFETIME = 5_min;
 
 private:
   MeasurementsAccessor& m_measurements;