do not keep iv data for rpi test script

tests/rpi_nilm_test_script.sh

 #!/bin/bash
 
+
+export LC_ALL=C.UTF-8
+export LANG=C.UTF-8
+
+joule admin authorize
+joule master add lumen 127.0.0.1
+
 #----Module Configs----
 
 #Demo Reader
@@ -131,6 +138,7 @@ EOF
 #meters.yml
 cat > /opt/configs/meters.yml <<EOF
 
+
 meter2:
   type: noncontact
   path: /meters/noncontact           # database location for meter streams
@@ -146,18 +154,22 @@ meter2:
       sensor_indices: [1,3,5,7]     # D-Board with 4 A-Boards
   calibration:
     duration: 9                    # length of calibration in seconds
+    on_duration: 1
+    off_duration: 2
     watts: 200                      # power consumed by calibration load
     has_neutral: true               # [false] if the system has no neutral bus
   streams:
      sinefit:
        decimate: true                # if [false] only the base stream will be saved
-       keep: false                      # how much data to keep as [amount][units]
+       keep: 1m                      # how much data to keep as [amount][units]
      iv:                             #     h: hours, d: days, w: weeks,
        decimate: true                #     m: months, y: years
        keep: false                      # if [false] no data will be saved
      prep:
        decimate: true
        keep: 3w
+       nshift: 1
+       goertzel: false
      sensor:
        keep: false
 EOF