Fix get/set as short method name in object

[tofpie]

Fix get andset so they can be used as short method name in object.

[codecov]

Codecov Report

Merging #1072 (85232b8) into master (aa03a7d) will decrease coverage by 0.01%.
The diff coverage is 42.85%.

@@            Coverage Diff             @@
##           master    #1072      +/-   ##
==========================================
- Coverage   58.69%   58.68%   -0.02%     
==========================================
  Files         176      176              
  Lines       12389    12395       +6     
==========================================
+ Hits         7272     7274       +2     
- Misses       5117     5121       +4     

Impacted Files	Coverage Δ
...arser/expression/primary/object_initializer/mod.rs	65.65% <42.85%> (-2.09%)	⬇️

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[Razican]

Test262 conformance changes:

Test result	master count	PR count	difference
Total	78,497	78,497	0
Passed	24,795	24,801	+6
Ignored	15,587	15,587	0
Failed	38,115	38,109	-6
Panics	26	26	0
Conformance	31.59	31.59	+0.01%