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}