chore: Test legacy

[zombieJ]

Fill rest legacy rc-form test.

PS: 有些老测试 ood 了，得补些新的。

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[codecov]

Codecov Report

Merging #9 into master will increase coverage by 5.92%.
The diff coverage is 98.14%.

@@            Coverage Diff             @@
##           master       #9      +/-   ##
==========================================
+ Coverage   82.93%   88.85%   +5.92%     
==========================================
  Files          13       13              
  Lines         662      673      +11     
  Branches      129      135       +6     
==========================================
+ Hits          549      598      +49     
+ Misses        113       75      -38

Impacted Files	Coverage Δ
src/Form.tsx	75% <100%> (+4.72%)	⬆️
src/Field.tsx	98.7% <100%> (+6.75%)	⬆️
src/utils/validateUtil.ts	98.92% <100%> (+2.53%)	⬆️
src/useForm.ts	93.15% <90%> (+8.91%)	⬆️
src/utils/asyncUtil.ts	100% <0%> (+5%)	⬆️
src/utils/NameMap.ts	75.86% <0%> (+6.89%)	⬆️
... and 1 more

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