2.x: Replace duplicate calling method setAccessible on the same object in FunctionsTest class.

[youngam]

I would like to add unit tests to my project and decided to watch tests in this repository. During reviewing testing class FunctionsTest I watch duplicated calling method setAccessible(true) at the same object.

[codecov]

Codecov Report

Merging #5454 into 2.x will decrease coverage by 0.03%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##                2.x    #5454      +/-   ##
============================================
- Coverage     96.09%   96.06%   -0.04%     
  Complexity     5797     5797              
============================================
  Files           631      631              
  Lines         41306    41306              
  Branches       5745     5745              
============================================
- Hits          39694    39680      -14     
- Misses          624      640      +16     
+ Partials        988      986       -2

Impacted Files	Coverage Δ	Complexity Δ
...rnal/subscriptions/ArrayCompositeSubscription.java	93.33% <0%> (-6.67%)	17% <0%> (-1%)
.../java/io/reactivex/subjects/SerializedSubject.java	89.47% <0%> (-6.32%)	26% <0%> (-1%)
.../operators/completable/CompletableConcatArray.java	93.75% <0%> (-6.25%)	2% <0%> (ø)
...ava/io/reactivex/processors/BehaviorProcessor.java	87.61% <0%> (-5.76%)	62% <0%> (ø)
...rnal/subscribers/SinglePostCompleteSubscriber.java	94.87% <0%> (-5.13%)	14% <0%> (-1%)
...rnal/subscriptions/DeferredScalarSubscription.java	93.84% <0%> (-4.62%)	27% <0%> (-1%)
...reactivex/internal/operators/maybe/MaybeUsing.java	95.95% <0%> (-4.05%)	4% <0%> (ø)
...ernal/operators/maybe/MaybeTakeUntilPublisher.java	96% <0%> (-4%)	2% <0%> (ø)
...ex/internal/operators/maybe/MaybeTimeoutMaybe.java	95.58% <0%> (-2.95%)	2% <0%> (ø)
.../internal/operators/flowable/FlowableInterval.java	94.44% <0%> (-2.78%)	3% <0%> (ø)
... and 45 more

---

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 4d8f008...b127fc4. Read the comment docs.