Increase time_for_readiness to 2 minutes in 45-osm-health based on empirical assessment

Change-Id: I0a19a448d55be99eab484138fcce1e9d1ef330e0
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/installers/45-osm-health.sh b/installers/45-osm-health.sh
index c5d9cd8..fbdbe5a 100755
--- a/installers/45-osm-health.sh
+++ b/installers/45-osm-health.sh
@@ -23,7 +23,7 @@
 
 # Default values
 sampling_period=5       # seconds
-time_for_readiness=1    # minutes ready
+time_for_readiness=2    # minutes ready
 time_for_failure=7      # minutes broken
 
 oks_threshold=$((time_for_readiness*60/${sampling_period}))     # No. ok samples to declare the system ready