Use non-deprecated colormap in viewer cmap test

[jni]

Description

Fixes #3042

[codecov]

Codecov Report

Merging #3043 (940af38) into master (0004f1a) will decrease coverage by 4.30%.
The diff coverage is 83.54%.

@@            Coverage Diff             @@
##           master    #3043      +/-   ##
==========================================
- Coverage   86.99%   82.69%   -4.31%     
==========================================
  Files         220      509     +289     
  Lines       19476    42586   +23110     
==========================================
+ Hits        16944    35216   +18272     
- Misses       2532     7370    +4838     

Impacted Files	Coverage Δ
napari/_qt/containers/__init__.py	100.00% <ø> (ø)
napari/_qt/containers/_base_item_model.py	96.55% <ø> (ø)
napari/_qt/containers/_base_item_view.py	98.18% <ø> (ø)
napari/_qt/containers/_factory.py	87.50% <ø> (ø)
napari/_qt/containers/_layer_delegate.py	60.00% <ø> (ø)
napari/_qt/containers/_tests/test_factory.py	100.00% <ø> (ø)
napari/_qt/containers/_tests/test_qt_list.py	100.00% <ø> (ø)
napari/_qt/containers/_tests/test_qt_tree.py	100.00% <ø> (ø)
napari/_qt/containers/qt_layer_list.py	86.20% <ø> (ø)
napari/_qt/containers/qt_layer_model.py	75.00% <ø> (ø)
... and 585 more

---

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[kevinyamauchi]

This looks good to me! Thanks, @jni !

I don't really understand the codecov change. That seems rather drastic for this one line change. Any thoughts @tlambert03 or @sofroniewn ?

edit: I see that it is comparing to 0004f1a (over 1 year old commit) for some reason?

[sofroniewn]

LGTM!

[jni]

@kevinyamauchi I don't understand codecov's failings, and have decided to ignore them in most cases, sadly.

[tlambert03]

wow, that one is particularly confusing :/ same here. no idea

[sofroniewn]

also no idea from me :-(

[kevinyamauchi]

Ha, well in any case, it makes me feel better to know that you all are just as confused as a I am!