Optimization.java:39-46: Add unit tests for Optimization...

[0pdd]

The puzzle 13-934f8528 from #13 has to be resolved:

jeo-maven-plugin/src/main/java/org/eolang/jeo/Optimization.java

Lines 39 to 46 in f5197fe

	* @todo #13:90min Add unit tests for Optimization class.
	* The unit tests should cover the next cases:
	* - The classes directory is empty.
	* - The classes directory does not exist.
	* - The classes directory has some clases.
	* - The classes directory has some classes and some subdirectories.
	* - The classes directory has some classes and some garbage.
	* When the unit tests are ready, remove that puzzle.

The puzzle was created by @volodya-lombrozo on 08-Aug-23.

Estimate: 90 minutes, role: DEV.

If you have any technical questions, don't ask me, submit new tickets instead. The task will be "done" when the problem is fixed and the text of the puzzle is removed from the source code. Here is more about PDD and about me.

[0pdd]

@0pdd the puzzle #44 is still not solved.

[0pdd]

@0pdd the only puzzle #44 is solved here.