workaround

Bash It BATS Runner · Bash It BATS Runner · commit 76f3f6baf0c0 · 2022-01-11T22:44:43.000-08:00
diff --git a/test/completion/bash-it.completion.bats b/test/completion/bash-it.completion.bats
@@ -34,7 +34,7 @@ function __check_completion() {
 
   # Word index of the last word
   COMP_CWORD=$(( ${#COMP_WORDS[@]} - 1 ))
-
+  COMP_WORDS+=('') # arg
   # Run the Bash-it completion function
   _bash-it-comp
 
