timestamp/timedelta test cleanup

[jbrockmendel]

More informative names in timedeltas tests

remove/merge redundant tests in timestamps. Separate some big test classes thematically.

Use pytest.parametrize in a few places

[pep8speaks]

Hello @jbrockmendel! Thanks for updating the PR.

Cheers ! There are no PEP8 issues in this Pull Request. 🍻

Comment last updated on December 04, 2017 at 01:22 Hours UTC

[codecov]

Codecov Report

Merging #18619 into master will decrease coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #18619      +/-   ##
==========================================
- Coverage   91.46%   91.44%   -0.03%     
==========================================
  Files         157      157              
  Lines       51449    51449              
==========================================
- Hits        47060    47049      -11     
- Misses       4389     4400      +11

Flag	Coverage Δ
#multiple	89.31% <ø> (-0.01%)	⬇️
#single	40.6% <ø> (-0.11%)	⬇️

Impacted Files	Coverage Δ
pandas/io/gbq.py	25% <0%> (-58.34%)	⬇️
pandas/util/testing.py	81.99% <0%> (-0.2%)	⬇️
pandas/core/frame.py	97.81% <0%> (-0.1%)	⬇️

---

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[codecov]

Codecov Report

Merging #18619 into master will decrease coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #18619      +/-   ##
==========================================
- Coverage   91.46%   91.44%   -0.03%     
==========================================
  Files         157      157              
  Lines       51449    51449              
==========================================
- Hits        47060    47049      -11     
- Misses       4389     4400      +11

Flag	Coverage Δ
#multiple	89.31% <ø> (-0.01%)	⬇️
#single	40.6% <ø> (-0.11%)	⬇️

Impacted Files	Coverage Δ
pandas/io/gbq.py	25% <0%> (-58.34%)	⬇️
pandas/util/testing.py	81.99% <0%> (-0.2%)	⬇️
pandas/core/frame.py	97.81% <0%> (-0.1%)	⬇️

---

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 6e56195...9538c07. Read the comment docs.

[jreback]

thanks!