improved test infrastructure to mock aspects of IdeContext

[hohwille]

• improved test infrastructure to mock aspects of IdeContext
• added a dummy test using it

[coveralls]

Pull Request Test Coverage Report for Build 11933051706

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 3 unchanged lines in 1 file lost coverage.
• Overall coverage increased (+0.005%) to 67.254%

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Files with Coverage Reduction	New Missed Lines	%
com/devonfw/tools/ide/commandlet/CommandletManagerImpl.java	3	90.32%
<!--	Total:	3		-->

Totals
Change from base Build 11932927810:	0.005%
Covered Lines:	6396
Relevant Lines:	9170

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💛 - Coveralls