[Merged by Bors] - Fixed some documentation and clippy warnings in tests

[Razican]

This Pull Request fixes a small error in the documentation of Context::register_global_function() method, and a few clippy errors we were getting in the tests.

[github-actions]

Test262 conformance changes

VM implementation

Test result	main count	PR count	difference
Total	93,383	93,383	0
Passed	69,095	69,095	0
Ignored	18,182	18,182	0
Failed	6,106	6,106	0
Panics	0	0	0
Conformance	73.99%	73.99%	0.00%

[codecov]

Codecov Report

Merging #2362 (38f5281) into main (d51fee7) will decrease coverage by 0.00%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #2362      +/-   ##
==========================================
- Coverage   39.84%   39.83%   -0.01%     
==========================================
  Files         242      242              
  Lines       23242    23243       +1     
==========================================
  Hits         9260     9260              
- Misses      13982    13983       +1     

Impacted Files	Coverage Δ
boa_engine/src/context/mod.rs	34.75% <ø> (ø)
...ntax/parser/expression/left_hand_side/arguments.rs	35.00% <0.00%> (-2.50%)	⬇️
boa_engine/src/value/mod.rs	52.39% <0.00%> (+0.16%)	⬆️

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[jedel1043]

bors r+

[bors]

Pull request successfully merged into main.

Build succeeded:

• Clippy
• Documentation
• Examples
• Rustfmt
• Tests on Linux
• Tests on MacOS
• Tests on Windows