fix(expect,internal,testing): support expect.assertions

[eryue0220]

Part of #3964, support expect.assertions api

[kt3k]

It seems in jest, expect.assertions(N) call expects exactly N assertions are made. For example, the below test file fails with the error message Expected one assertion to be called but received two assertion calls.:

test("test", () => {
  expect.assertions(1);
  expect(1).toBe(1);
  expect(2).toBe(2);
});

[eryue0220]

I'll check this later.

[eryue0220]

Thanks, I've updated.

[codecov]

Codecov Report

Attention: Patch coverage is 49.27536% with 35 lines in your changes missing coverage. Please review.

Project coverage is 96.51%. Comparing base (5cd3b5d) to head (507ffe8).
Report is 5 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/assertion_state.ts	54.05%	17 Missing ⚠️
testing/_test_suite.ts	30.76%	9 Missing ⚠️
testing/bdd.ts	14.28%	6 Missing ⚠️
expect/_assertions.ts	25.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6032      +/-   ##
==========================================
- Coverage   96.58%   96.51%   -0.08%     
==========================================
  Files         536      536              
  Lines       40679    40744      +65     
  Branches     6110     6115       +5     
==========================================
+ Hits        39291    39323      +32     
- Misses       1344     1377      +33     
  Partials       44       44              

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[kt3k]

LGTM. Thanks for your contribution!