disk-io.robot: Fix misleading skip messages

Signed-off-by: Filip Gołaś <filip.golas@3mdeb.com>

Author: philipanda

dasharo-performance/disk-io.robot

@@ -40,7 +40,7 @@ DIO002.201 Sequential Read Performance (Ubuntu) (Battery)
     Skip If    not ${TESTS_IN_UBUNTU_SUPPORT}
     Skip If    not ${LAPTOP_PLATFORM}    The Platform is not a Laptop
     Skip If    not ${BATTERY_PRESENT}    Battery not present
-    Skip If    ${AC_CONNECTED}    The platform is not connected to AC
+    Skip If    ${AC_CONNECTED}    The platform is not running on battery
     Skip If Battery Level Below 30 Percent
     Power Cycle Into Ubuntu
     Switch To Root User
@@ -83,7 +83,7 @@ DIO004.201 Sequential Write Performance (Ubuntu) (Battery)
     Skip If    not ${TESTS_IN_UBUNTU_SUPPORT}
     Skip If    not ${LAPTOP_PLATFORM}    The Platform is not a Laptop
     Skip If    not ${BATTERY_PRESENT}    Battery not present
-    Skip If    ${AC_CONNECTED}    The platform is not connected to AC
+    Skip If    ${AC_CONNECTED}    The platform is not running on battery
     Skip If Battery Level Below 30 Percent
     Power Cycle Into Ubuntu
     Switch To Root User
@@ -128,7 +128,7 @@ DIO006.201 Random Read Performance (Ubuntu) (Battery)
     Skip If    not ${TESTS_IN_UBUNTU_SUPPORT}
     Skip If    not ${LAPTOP_PLATFORM}    The Platform is not a Laptop
     Skip If    not ${BATTERY_PRESENT}    Battery not present
-    Skip If    ${AC_CONNECTED}    The platform is not connected to AC
+    Skip If    ${AC_CONNECTED}    The platform is not running on battery
     Skip If Battery Level Below 30 Percent
     Power Cycle Into Ubuntu
     Switch To Root User
@@ -173,7 +173,7 @@ DIO008.201 Random Write Performance (Ubuntu) (Battery)
     Skip If    not ${TESTS_IN_UBUNTU_SUPPORT}
     Skip If    not ${LAPTOP_PLATFORM}    The Platform is not a Laptop
     Skip If    not ${BATTERY_PRESENT}    Battery not present
-    Skip If    ${AC_CONNECTED}    The platform is not connected to AC
+    Skip If    ${AC_CONNECTED}    The platform is not running on battery
     Skip If Battery Level Below 30 Percent
     Power Cycle Into Ubuntu
     Switch To Root User
@@ -209,7 +209,7 @@ DIO001.004 Sequential Read Performance (Windows) (Battery)
     Skip If    not ${TESTS_IN_WINDOWS_SUPPORT}
     Skip If    not ${LAPTOP_PLATFORM}    The Platform is not a Laptop
     Skip If    not ${BATTERY_PRESENT}    Battery not present
-    Skip If    ${AC_CONNECTED}    The platform is not connected to AC
+    Skip If    ${AC_CONNECTED}    The platform is not running on battery
     Power Cycle Into Windows
     Run FIO On Windows    sequential_with_queues
     ...    --rw=read --bs=1M --iodepth=32 --numjobs=1 --size=4G
@@ -239,7 +239,7 @@ DIO002.004 Sequential Write Performance (Windows) (Battery)
     Skip If    not ${TESTS_IN_WINDOWS_SUPPORT}
     Skip If    not ${LAPTOP_PLATFORM}    The Platform is not a Laptop
     Skip If    not ${BATTERY_PRESENT}    Battery not present
-    Skip If    ${AC_CONNECTED}    The platform is not connected to AC
+    Skip If    ${AC_CONNECTED}    The platform is not running on battery
     Power Cycle Into Windows
     Run FIO On Windows    sequential_write_with_queues
     ...    --rw=write --bs=1M --iodepth=32 --numjobs=1 --size=4G
@@ -265,7 +265,7 @@ DIO003.004 Random Read Performance (Windows) (Battery)
     Skip If    not ${TESTS_IN_WINDOWS_SUPPORT}
     Skip If    not ${LAPTOP_PLATFORM}    The Platform is not a Laptop
     Skip If    not ${BATTERY_PRESENT}    Battery not present
-    Skip If    ${AC_CONNECTED}    The platform is not connected to AC
+    Skip If    ${AC_CONNECTED}    The platform is not running on battery
     Power Cycle Into Windows
     Run FIO On Windows    random_read
     ...    --rw=randread --bs=4K --iodepth=32 --numjobs=1 --size=10G
@@ -287,7 +287,7 @@ DIO004.004 Random Write Performance (Windows) (Battery)
     Skip If    not ${TESTS_IN_WINDOWS_SUPPORT}
     Skip If    not ${LAPTOP_PLATFORM}    The Platform is not a Laptop
     Skip If    not ${BATTERY_PRESENT}    Battery not present
-    Skip If    ${AC_CONNECTED}    The platform is not connected to AC
+    Skip If    ${AC_CONNECTED}    The platform is not running on battery
     Power Cycle Into Windows
     Run FIO On Windows    random_write
     ...    --rw=randwrite --bs=4K --iodepth=32 --numjobs=4 --size=10G