Task/844 add test class for automation

[JoernBerkefeld]

PR details

What changes did you make? (Give an overview)

• closes [TASK] add test-class for automation #844
• closes [TASK] createDeltaPkg should not copy Markdown files to the deploy directory  #954
• fixes [BUG] deploy fails with bad error msg if no r__folder_Path was not set #955

Checklist

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• test scripts updated
• n/a Wiki updated (if applicable)

[github-actions]

Coverage Report

Commit: e416b97
Base: develop@3e54f4a

Type	Base	This PR
Total Statements Coverage	41.81%	45.48%  (+3.67%)
Total Branches Coverage	33.69%	36.53%  (+2.84%)
Total Functions Coverage	48.09%	52.58%  (+4.49%)
Total Lines Coverage	41.75%	45.4%  (+3.65%)

Details (changed testable files):

File	Statements	Branches	Functions	Lines
lib/Deployer.js	64.64%	55.67%	71.42%	65%
lib/index.js	42.9%	39.23%	48%	42.9%
lib/metadataTypes/Automation.js	61.07%	45.22%	83.33%	60.63%
lib/metadataTypes/DataExtension.js	68.85%	57.14%	82.6%	69.08%
lib/metadataTypes/MetadataType.js	63.6%	62.21%	73.49%	63.39%
lib/util/devops.js	6.63%	0%	4.76%	6.81%