Simplify getElementText utils

[mmarkelov]

No description provided.

[codecov-io]

Codecov Report

Merging #51 (3ab2686) into master (cf76e50) will increase coverage by 0.92%.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##           master       #51      +/-   ##
===========================================
+ Coverage   99.07%   100.00%   +0.92%     
===========================================
  Files           8         8              
  Lines         108       102       -6     
  Branches       20        12       -8     
===========================================
- Hits          107       102       -5     
+ Misses          1         0       -1     

Impacted Files	Coverage Δ
src/matchers/utils.ts	100.00% <100.00%> (+2.94%)	⬆️

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[mxschmitt]

as long as the tests are passing its great!