TST: fix various deprecation warnings in tests suite

[jreback]

No description provided.

[codecov]

Codecov Report

Merging #16100 into master will increase coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #16100      +/-   ##
==========================================
+ Coverage   90.83%   90.84%   +<.01%     
==========================================
  Files         159      159              
  Lines       50783    50778       -5     
==========================================
- Hits        46131    46128       -3     
+ Misses       4652     4650       -2

Flag	Coverage Δ
#multiple	88.62% <ø> (ø)	⬆️
#single	40.35% <ø> (ø)	⬆️

Impacted Files	Coverage Δ
pandas/tools/plotting.py	81.81% <0%> (-18.19%)	⬇️
pandas/core/common.py	90.68% <0%> (-0.35%)	⬇️
pandas/util/testing.py	79.29% <0%> (-0.1%)	⬇️
pandas/_version.py	44.65% <0%> (+1.9%)	⬆️

---

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[codecov]

Codecov Report

Merging #16100 into master will increase coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #16100      +/-   ##
==========================================
+ Coverage   90.83%   90.84%   +<.01%     
==========================================
  Files         159      159              
  Lines       50783    50778       -5     
==========================================
- Hits        46131    46128       -3     
+ Misses       4652     4650       -2

Flag	Coverage Δ
#multiple	88.62% <ø> (ø)	⬆️
#single	40.35% <ø> (ø)	⬆️

Impacted Files	Coverage Δ
pandas/tools/plotting.py	81.81% <0%> (-18.19%)	⬇️
pandas/core/common.py	90.68% <0%> (-0.35%)	⬇️
pandas/util/testing.py	79.29% <0%> (-0.1%)	⬇️
pandas/_version.py	44.65% <0%> (+1.9%)	⬆️

---

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 19fc8da...b783f2c. Read the comment docs.

[codecov]

Codecov Report

Merging #16100 into master will increase coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #16100      +/-   ##
==========================================
+ Coverage   90.83%   90.84%   +<.01%     
==========================================
  Files         159      159              
  Lines       50783    50778       -5     
==========================================
- Hits        46131    46128       -3     
+ Misses       4652     4650       -2

Flag	Coverage Δ
#multiple	88.62% <ø> (ø)	⬆️
#single	40.35% <ø> (ø)	⬆️

Impacted Files	Coverage Δ
pandas/tools/plotting.py	81.81% <0%> (-18.19%)	⬇️
pandas/core/common.py	90.68% <0%> (-0.35%)	⬇️
pandas/util/testing.py	79.29% <0%> (-0.1%)	⬇️
pandas/_version.py	44.65% <0%> (+1.9%)	⬆️

---

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 19fc8da...b783f2c. Read the comment docs.