simple tests restructure

[Borda]

What does this PR do?

a bit move around test to proper folders, no test was dripped

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[carmocca]

please keep the logging_test directory. Otherwise tools like PyCharm will try to load the logging directory instead of the logging module when you try to import it.

Also, when do we plan to remove the _1_0 suffixes?

What is the difference between the data_flow and legacy_deprecate_flow_log_tests?

[Borda]

please keep the logging_test directory. Otherwise tools like PyCharm will try to load the logging directory instead of the logging module when you try to import it.

pls see the actual state: https://github.com/PyTorchLightning/pytorch-lightning/tree/master/tests/trainer
there is already logging and logging_test so this is just merging them...

can you give an example of where we use in tests the base logging?
also, we shall use imports from ... import ... and then I do not see any problem

Also, when do we plan to remove the _1_0 suffixes?

maybe another PR...

What is the difference between the data_flow and legacy_deprecate_flow_log_tests?

lets ask author

I feel you are asking good question, but none of then are the goal of this PR (you/noone have not complained till I show it here), this just reveals what we have in code-base now and we shall clean step-by-step

[Borda]

@carmocca renamed to logging_process

[codecov]

Codecov Report

Merging #5452 (0f1bca5) into release/1.2-dev (6386b8d) will not change coverage.
The diff coverage is n/a.

@@               Coverage Diff               @@
##           release/1.2-dev   #5452   +/-   ##
===============================================
  Coverage               93%     93%           
===============================================
  Files                  152     152           
  Lines                10736   10736           
===============================================
  Hits                  9948    9948           
  Misses                 788     788