test: Add Unit tests for the ListLanguagesAction.java class

[Sweetdevil144]

Fix #658 .

• Added Unit tests for file ListLanguagesAction.java
• Current code coverage = 65% for the file.
• Code coverage can be further improved by contributors further on this month.

[codecov]

Codecov Report

Merging #663 (7937194) into main (f2852d3) will increase coverage by 0.48%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##               main     #663      +/-   ##
============================================
+ Coverage     63.04%   63.52%   +0.48%     
- Complexity     1362     1376      +14     
============================================
  Files           209      209              
  Lines          5643     5643              
  Branches        849      849              
============================================
+ Hits           3557     3584      +27     
+ Misses         1631     1601      -30     
- Partials        455      458       +3     

Files	Coverage Δ
...n/java/com/crowdin/cli/client/LanguageMapping.java	95.00% <100.00%> (ø)

... and 1 file with indirect coverage changes

[andrii-bodnar]

@Sweetdevil144 thank you!

Could you please also include tests to cover the 56-58 and 70-83 lines?

https://app.codecov.io/gh/crowdin/crowdin-cli/pull/663/blob/src/main/java/com/crowdin/cli/commands/actions/ListLanguagesAction.java

[Sweetdevil144]

Okay sure. Doing it now!!

[Sweetdevil144]

@andrii-bodnar Increased the code coverage

[andrii-bodnar]

@Sweetdevil144 thank you!