fix tests for pypa#12166, add news entry

- tests expected results indendation was off
- add bugfix news entry

related to fix for pypa#12166

news/12166.bugfix

@@ -0,0 +1 @@
+Fix completion script for zsh

tests/functional/test_completion.py

@@ -49,13 +49,13 @@
  COMP_CWORD=$((CURRENT-1)) \\
  PIP_AUTO_COMPLETE=1 $words[1] 2>/dev/null )
 }
- if [[ $zsh_eval_context[-1] == loadautofunc ]]; then
-  # autoload from fpath, call function directly
-  __pip "$@"
- else
-  # eval/source/. command, register function for later
-  compdef __pip -P 'pip[0-9.]#'
- fi""",
+if [[ $zsh_eval_context[-1] == loadautofunc ]]; then
+ # autoload from fpath, call function directly
+ __pip "$@"
+else
+ # eval/source/. command, register function for later
+ compdef __pip -P 'pip[0-9.]#'
+fi""",
  ),
  (
  "powershell",