add unit tests for non-syntactic variable names

[ayogasekaram]

Adding unit tests for non-syntactic inputs (variables, list names, etc.)
closes #170 @ayogasekaram

---

Pre-review Checklist (if item does not apply, mark is as complete)

• All GitHub Action workflows pass with a ✅
• PR branch has pulled the most recent updates from master branch: usethis::pr_merge_main()
• If a bug was fixed, a unit test was added.
• Code coverage is suitable for any new functions/features (generally, 100% coverage for new code): devtools::test_coverage()
• Request a reviewer

Reviewer Checklist (if item does not apply, mark is as complete)

• If a bug was fixed, a unit test was added.
• Run pkgdown::build_site(). Check the R console for errors, and review the rendered website.
• Code coverage is suitable for any new functions/features: devtools::test_coverage()

When the branch is ready to be merged:

• Update NEWS.md with the changes from this pull request under the heading "# cards (development version)". If there is an issue associated with the pull request, reference it in parentheses at the end update (see NEWS.md for examples).
• All GitHub Action workflows pass with a ✅
• Approve Pull Request
• Merge the PR. Please use "Squash and merge" or "Rebase and merge".

[github-actions]

Code Coverage Summary

Filename                       Stmts    Miss  Cover    Missing
---------------------------  -------  ------  -------  ----------------------
R/apply_fmt_fn.R                  63       2  96.83%   92, 173
R/ard_attributes.R                28       0  100.00%
R/ard_categorical.R              343      15  95.63%   110, 206, 520-535, 572
R/ard_complex.R                   32       0  100.00%
R/ard_continuous.R               174       4  97.70%   104, 189-190, 290
R/ard_dichotomous.R               65       2  96.92%   48, 137
R/ard_hierarchical.R              73       0  100.00%
R/ard_missing.R                   16       0  100.00%
R/ard_stack.R                     51       0  100.00%
R/as_nested_list.R                41       1  97.56%   18
R/bind_ard.R                      19       1  94.74%   49
R/check_ard_structure.R           26       1  96.15%   24
R/check_pkg_installed.R           86       0  100.00%
R/default_stat_labels.R           18       0  100.00%
R/eval_capture_conditions.R       18       0  100.00%
R/get_ard_statistics.R            15       1  93.33%   74
R/nest_for_ard.R                  69       1  98.55%   54
R/print_ard_conditions.R          72      65  9.72%    62-180
R/print.R                         71       0  100.00%
R/process_selectors.R            110       0  100.00%
R/replace_null_statistic.R        10       0  100.00%
R/round5.R                         1       0  100.00%
R/selectors.R                     14       0  100.00%
R/shuffle_ard.R                  131       1  99.24%   269
R/summary_functions.R             55       1  98.18%   89
R/tidy_ard_order.R                23       0  100.00%
R/tidy_as_ard.R                   38      11  71.05%   86-96
R/utils.R                         24       0  100.00%
TOTAL                           1686     106  93.71%

Diff against main

Filename      Stmts    Miss  Cover
----------  -------  ------  --------
TOTAL             0       0  +100.00%

Results for commit: 290ec37

Minimum allowed coverage is 80%

♻️ This comment has been updated with latest results

[github-actions]

Unit Tests Summary

  1 files   78 suites   12s ⏱️
 76 tests  48 ✅ 28 💤 0 ❌
165 runs  123 ✅ 42 💤 0 ❌

Results for commit 290ec37.

♻️ This comment has been updated with latest results.

[github-actions]

Unit Test Performance Difference

Additional test case details

Test Suite	$Status$	Time on main	$±Time$	Test Case
ard_categorical	👶		$+0.01$	ard_categorical_can_handle_non_syntactic_column_names
ard_continuous	👶		$+0.00$	ard_continuous_works_with_non_syntactic_names

Results for commit b378096

♻️ This comment has been updated with latest results.

[ddsjoberg]

this is great, thank you @ayogasekaram !!!