bugfix/207: dont create logfile when running helper methods + bugfix/969: log not truncated during test execution

[JoernBerkefeld]

PR details

What changes did you make? (Give an overview)

• fixes [BUG] Logs folder automatically created #207
• fixes [BUG] log in cli is truncated if too many log entries happen fast #969

Checklist

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• n/a test scripts updated
• Wiki updated (via PR Release 5.1.0 #961 )

[github-actions]

Coverage Report

Commit: e5c2295
Base: develop@d3dd9d5

Type	Base	This PR
Total Statements Coverage	45.99%	46.04%  (+0.05%)
Total Branches Coverage	36.73%	36.98%  (+0.25%)
Total Functions Coverage	53.02%	52.89%  (-0.13%)
Total Lines Coverage	45.91%	45.96%  (+0.05%)

Details (changed testable files):

File	Statements	Branches	Functions	Lines
lib/Deployer.js	64.64%	55.67%	71.42%	65%
lib/cli.js	0%	0%	0%	0%
lib/index.js	43.85%	39.71%	52%	43.85%
lib/util/util.js	59.56%	50%	75.55%	58.92%

[JoernBerkefeld]

wiki

https://github.com/Accenture/sfmc-devtools/wiki/07.-Advanced-Configuration/_edit

--api=[log|api]

Optionally, you can see API requests & responses in the logfile or directly in CLI.

Examples:

mcdev retrieve --api=log
mcdev deploy --api=cli

--noLogFile

Optionally, you can disable creating the 2 logfiles when running mcdev.

Examples:

mcdev retrieve --noLogFile
mcdev deploy --noLogFile