test tidy failing on some systems with sed and seq errors.

[mercere99]

Some of the test tidy scripts are running smoothly, but others are reporting errors. In particular, it fails on MacOS reporting errors in find, sed, and seq.

Actions taken:
In the main Empirical directory I typed:
./ci/test_tidy.sh

Many thousands of lines of output followed, beginning with:

Running tidyness enforcement tests...
See https://empirical.readthedocs.io/en/latest/dev/guide-to-testing.html#tidyness-enforcement for info on tidyness enforcement.
(Including how to automatically generate tidyness fixes if tidyness enforcement detects tidyness issues.)
./ci/test_alphabetize_includes.sh: line 11: sha1sum: command not found
find: illegal option -- p
usage: find [-H | -L | -P] [-EXdsx] [-f path] path ... [expression]
       find [-H | -L | -P] [-EXdsx] -f path [path ...] [expression]
.............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
./ci/test_alphabetize_includes.sh: line 15: sha1sum: command not found
find: illegal option -- p
usage: find [-H | -L | -P] [-EXdsx] [-f path] path ... [expression]
       find [-H | -L | -P] [-EXdsx] -f path [path ...] [expression]
✔ include alphabetization ok
./ci/test_alphabetize_imports.sh: line 11: sha1sum: command not found
find: illegal option -- p
usage: find [-H | -L | -P] [-EXdsx] [-f path] path ... [expression]
       find [-H | -L | -P] [-EXdsx] -f path [path ...] [expression]

...

Later errors include many lines like:

seq: needs negative decrement
sed: 1: "include/emp/matching/ma ...": command i expects \ followed by text
sed: 1: "include/emp/matching/ma ...": command i expects \ followed by text
sed: 1: "include/emp/matching/ma ...": command i expects \ followed by text
sed: 1: "include/emp/matching/ma ...": command i expects \ followed by text
sed: 1: "include/emp/matching/ma ...": command i expects \ followed by text
sed: 1: "include/emp/matching/ma ...": command i expects \ followed by text
sed: 1: "include/emp/matching/ma ...": command i expects \ followed by text
sed: 1: "include/emp/matching/ma ...": command i expects \ followed by text
sed: 1: "include/emp/matching/ma ...": command i expects \ followed by text
seq: needs negative decrement
sed: 1: "include/emp/matching/ma ...": command i expects \ followed by text
sed: 1: "include/emp/matching/ma ...": command i expects \ followed by text
sed: 1: "include/emp/matching/ma ...": command i expects \ followed by text
sed: 1: "include/emp/matching/ma ...": command i expects \ followed by text
sed: 1: "include/emp/matching/ma ...": command i expects \ followed by text
sed: 1: "include/emp/matching/ma ...": command i expects \ followed by text
sed: 1: "include/emp/matching/ma ...": command i expects \ followed by text
sed: 1: "include/emp/matching/ma ...": command i expects \ followed by text
sed: 1: "include/emp/matching/ma ...": command i expects \ followed by text

And finally it ends with:

./ci/test_license_notices.sh: line 15: sha1sum: command not found
find: illegal option -- p
usage: find [-H | -L | -P] [-EXdsx] [-f path] path ... [expression]
       find [-H | -L | -P] [-EXdsx] -f path [path ...] [expression]
✔ license notices ok
✔ conflict markers ok
./ci/test_end_of_file_newlines.sh: line 11: sha1sum: command not found
find: illegal option -- p
usage: find [-H | -L | -P] [-EXdsx] [-f path] path ... [expression]
       find [-H | -L | -P] [-EXdsx] -f path [path ...] [expression]
./ci/test_end_of_file_newlines.sh: line 15: sha1sum: command not found
find: illegal option -- p
usage: find [-H | -L | -P] [-EXdsx] [-f path] path ... [expression]
       find [-H | -L | -P] [-EXdsx] -f path [path ...] [expression]
✔ EOF newlines ok
=========================================================================
uncommitted changes detected,
refusing to perform potentially destructive tidy operation!

1. commit your changes (including untracked files)
   -> hint: make clean; git add .; git commit

or

2. stash your changes (including untracked files)
   -> hint: git stash --include-untracked
   -> hint (to recover your stashed changes later): git stash pop

or

3. copy your changes elsewhere and remove them here
   -> hint: cp -r . ../Empirical_bak
   -> hint: git clean -fxd
(base) charles@Charless-MacBook-Pro Empirical % s
On branch MABE_devel
Your branch is ahead of 'origin/MABE_devel' by 1 commit.
  (use "git push" to publish your local commits)

Untracked files:
  (use "git add <file>..." to include in what will be committed)
	.bumpversion.cfg-e
	.editorconfig-e
	.github/ISSUE_TEMPLATE/bug_report.md-e
	.github/ISSUE_TEMPLATE/feature_request.md-e
	.github/workflows/CI.yml-e
	.gitignore-e

...

The list of files continues with every single Empirical file (I think) all with a -e appended to their end.

NOTE: The first time through it DID successfully alphabetize all of my includes... This problem occurred on the second time I ran it.