support lazy components

[artola]

Fix #2205

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.77%. Comparing base (41bf606) to head (795045d).
⚠️ Report is 68 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2521      +/-   ##
==========================================
- Coverage   96.31%   95.77%   -0.54%     
==========================================
  Files          49       49              
  Lines        4207     4215       +8     
  Branches     1130     1134       +4     
==========================================
- Hits         4052     4037      -15     
- Misses        155      178      +23     

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[artola]

@ljharb I will appreciate your help about these test failing. I changed only enzyme-adapter-react-16 to target React v16.14.

[ljharb]

@artola when i rebase this and run it locally, the tests hang - do you see the same?

[artola]

@artola when i rebase this and run it locally, the tests hang - do you see the same?

@ljharb I also rebase, clean and install ... and tests are running with the following results:

  1061 passing (6s)
  87 pending
  57 failing