Code fixes and cleanup in test repository

Changes:
  - Fix typo mistake
  - Fix TrailingWhitespace
  - Fix Tagging mismatch

Tested:
  - Tag mismatch command
  $ find | grep '\.robot$' | xargs awk -f check_robot_tags.awk
  - codespell
  - robot custom script

Change-Id: Idb6bac6254c86647934e590f1f581d1f9c7dc11c
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/lib/bios_attr_utils.robot b/lib/bios_attr_utils.robot
index 3520a1f..b485da4 100644
--- a/lib/bios_attr_utils.robot
+++ b/lib/bios_attr_utils.robot
@@ -30,7 +30,7 @@
     IF  ${type_str}
         # Handling the case when the BIOS attribute value is an empty string.
         ${attr_value_length}=  Evaluate  len($attr_val.replace('"', ''))
-        IF  ${attr_value_length} 
+        IF  ${attr_value_length}
             ${value}=  Set Variable  "${attr_val}"
         ELSE
             ${value}=  Set Variable  ${attr_val}
diff --git a/lib/bmc_network_utils.robot b/lib/bmc_network_utils.robot
index 772b892..76a31ca 100644
--- a/lib/bmc_network_utils.robot
+++ b/lib/bmc_network_utils.robot
@@ -835,7 +835,7 @@
 
     # Description of argument(s):
     # channel_number   Ethernet channel number, 1 is for eth0 and 2 is for eth1 (e.g. "1").
- 
+
     ${active_channel_config}=  Get Active Channel Config
     ${ethernet_interface}=  Set Variable  ${active_channel_config['${CHANNEL_NUMBER}']['name']}
     ${resp}=  Redfish.Get Attribute  ${REDFISH_NW_ETH_IFACE}${ethernet_interface}  DHCPv4