Cleanup ul_encoded_params_parsing_test
Running isolated test for assertions and journey

in actionpack
Some performance benchmarking for take vs limit

Also added a dummy progress bar during insert of records so it shows something is happening.
Performance report
          Model.take     6198.9 (±13.4%) i/s -     121743 in  20.042671s
         Model.take!     6173.6 (±13.6%) i/s -     121242 in  20.057006s
Model.all limit(100)      107.8 (±15.8%) i/s -       2106 in  20.022316s
 Model.all take(100)      105.2 (±15.2%) i/s -       2061 in  20.062509s
Merge pull request #11339 from arunagw/running-actionpack-isolated

Running isolated test for assertions and journey
Cleaned up wording and tags.

Replaced <br /> with <br> for consistency; Added note about
singular/plural distinction (which was previously confusing to a Rails
noob); Rephrased explanation of how form is routed to controller, again
to reduce confusion; and added explanation to replace incorrect link.
[ci skip]
Merge pull request #11336 from ankit8898/performance-bm

Some performance benchmarking for take vs limit
Merge pull request #11324 from blahedo/master

Cleanup on getting_started tutorial
Merge pull request #11313 from gsamokovarov/url-encoded-params-test

Cleanup ul_encoded_params_parsing_test