TST: Clean up tests in test_take.py
Utilizes `pytest` fixtures to cleanup the code significantly.

Initially thought this could be a good place for #21500, but that didn't turn out to be the case. 🤷‍♂️ 
looks good. merge on green. # [Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/21591?src=pr&el=h1) Report
> Merging [#21591](https://codecov.io/gh/pandas-dev/pandas/pull/21591?src=pr&el=desc) into [master](https://codecov.io/gh/pandas-dev/pandas/commit/f1ffc5fae06a7294dc831887b0d76177aec9b708?src=pr&el=desc) will **increase** coverage by `<.01%`.
> The diff coverage is `n/a`.

[![Impacted file tree graph](https://codecov.io/gh/pandas-dev/pandas/pull/21591/graphs/tree.svg?token=eZ4WkYLtcO&src=pr&height=150&width=650)](https://codecov.io/gh/pandas-dev/pandas/pull/21591?src=pr&el=tree)

```diff
@@            Coverage Diff             @@
##           master   #21591      +/-   ##
==========================================
+ Coverage    91.9%    91.9%   +<.01%     
==========================================
  Files         153      153              
  Lines       49549    49549              
==========================================
+ Hits        45537    45539       +2     
+ Misses       4012     4010       -2
```

| Flag | Coverage Δ | |
|---|---|---|
| #multiple | `90.3% <ø> (ø)` | :arrow_up: |
| #single | `41.78% <ø> (ø)` | :arrow_up: |

| [Impacted Files](https://codecov.io/gh/pandas-dev/pandas/pull/21591?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [pandas/util/testing.py](https://codecov.io/gh/pandas-dev/pandas/pull/21591/diff?src=pr&el=tree#diff-cGFuZGFzL3V0aWwvdGVzdGluZy5weQ==) | `85.27% <0%> (+0.2%)` | :arrow_up: |

------

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> `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data`
> Powered by [Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/21591?src=pr&el=footer). Last update [f1ffc5f...13111ad](https://codecov.io/gh/pandas-dev/pandas/pull/21591?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
