Update power lower limit from 0 to 100 watts

When host is off, power is still being supplied to chips, leds, etc.

Change-Id: I892ff8a99a1fdc3da5f3e5d65a201a6c8d0f4c90
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/tests/test_power_supply.robot b/tests/test_power_supply.robot
index 489462b..53e2400 100644
--- a/tests/test_power_supply.robot
+++ b/tests/test_power_supply.robot
@@ -21,7 +21,7 @@
 # limit. If the power drawn goes beyond the upper power limit, this test will
 # fail.
 ${upper_power_limit}  ${2104}
-${lower_power_limit}  ${0}
+${lower_power_limit}  ${100}
 ${power_data_collection_interval}  ${30}
 
 # Every n seconds, the system collects the following for each power supply
@@ -127,12 +127,12 @@
     # Check for "average" aggregation.
     :FOR  ${power_path}  IN  @{power_paths[0]}
     \  ${averages}=  Get Sensors Aggregation Data  ${power_path}
-    \  Should Be True  ${averages[0]} == ${lower_power_limit}
+    \  Should Be True  ${averages[0]} < ${lower_power_limit}
     ...  msg=Wattage ${averages[0]} more than ${lower_power_limit}.
 
     # Check for "maximum" aggregation.
     :FOR  ${power_path}  IN  @{power_paths[1]}
     \  ${maximums}=  Get Sensors Aggregation Data  ${power_path}
-    \  Should Be True  ${maximums[0]} == ${lower_power_limit}
+    \  Should Be True  ${maximums[0]} < ${lower_power_limit}
     ...  msg=Wattage ${maximums[0]} more than ${lower_power_limit}.