jest-utils: add a getter for process.domain

[idan-at]

Fixes #7247

The reason of the change is that in node 12 process.domain is non-enumerable

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[codecov-io]

Codecov Report

Merging #9136 into master will decrease coverage by 0.01%.
The diff coverage is 25%.

@@            Coverage Diff             @@
##           master    #9136      +/-   ##
==========================================
- Coverage   64.83%   64.82%   -0.02%     
==========================================
  Files         278      278              
  Lines       11732    11736       +4     
  Branches     2882     2884       +2     
==========================================
+ Hits         7607     7608       +1     
- Misses       3508     3510       +2     
- Partials      617      618       +1

Impacted Files	Coverage Δ
packages/jest-util/src/createProcessObject.ts	69.38% <25%> (-3.95%)	⬇️

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[SimenB]

Should be an e2e test rather than unit test as we don't wanna mess with our own global env

[SimenB]

Node 8 is not happy, could you take a look?

[idan-at]

@SimenB thanks for the quick reply!

I'm on it, trying to find a non hacky way for solving it

[idan-at]

@SimenB done :)

[SimenB]

Thank you!

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