Add eval-option flag for testing

[xvjiarui]

No description provided.

[codecov]

Codecov Report

Merging #3537 into master will decrease coverage by 0.08%.
The diff coverage is 40.00%.

@@            Coverage Diff             @@
##           master    #3537      +/-   ##
==========================================
- Coverage   59.04%   58.95%   -0.09%     
==========================================
  Files         205      205              
  Lines       13731    13731              
  Branches     2315     2315              
==========================================
- Hits         8107     8095      -12     
- Misses       5248     5259      +11     
- Partials      376      377       +1     

Flag	Coverage Δ
#unittests	58.95% <40.00%> (-0.09%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
mmdet/core/evaluation/eval_hooks.py	27.02% <ø> (ø)
mmdet/datasets/voc.py	23.80% <0.00%> (ø)
mmdet/models/roi_heads/bbox_heads/bbox_head.py	85.06% <0.00%> (ø)
mmdet/models/detectors/base.py	51.14% <66.66%> (ø)
mmdet/models/roi_heads/mask_scoring_roi_head.py	81.57% <0.00%> (-18.43%)	⬇️
mmdet/models/roi_heads/mask_heads/maskiou_head.py	92.55% <0.00%> (-5.32%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 2e3f90c...82313a1. Read the comment docs.