test: align usage of jest expect across tests

[armano2]

No description provided.

[codecov]

Codecov Report

Merging #827 (86830cc) into main (c460a8b) will decrease coverage by 0.00%.
The diff coverage is n/a.

❗ Current head 86830cc differs from pull request most recent head 685426d. Consider uploading reports for the commit 685426d to get more accurate results

@@            Coverage Diff             @@
##             main     #827      +/-   ##
==========================================
- Coverage   99.22%   99.22%   -0.01%     
==========================================
  Files          98       98              
  Lines        1419     1417       -2     
  Branches      479      477       -2     
==========================================
- Hits         1408     1406       -2     
  Misses         11       11              

Impacted Files	Coverage Δ
src/rules/aria-role.js	100.00% <0.00%> (ø)

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[jessebeach]

@ljharb looks like your requested changes were made. Shall we get this landed?

[jessebeach]

lgtm, thanks @armano2 !!