2250: uninstall commands from package manager test fix

[JoelAdbu]

This PR improves test coverage for GlobalToolCommandletTest as suggest in: #2258 (comment)

Implemented changes:

• added new test method to test uninstall feature via package manager
• added new test class to capture uninstall commands before execution and allow assertions without executing the actual commands

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Testing instructions

Please add conscise, understandable instructions on how a reviewer can test/verify the functionality of your contribution here:

1. Run:

mvn clean test

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• When running mvn clean test locally all tests pass and build is successful
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[coveralls]

Coverage Report for CI Build 33054256369

Coverage increased (+0.2%) to 73.908%

Details

• Coverage increased (+0.2%) from the base build.
• Patch coverage: No coverable lines changed in this PR.
• 1 coverage regression across 1 file.

Uncovered Changes

No uncovered changes found.

Coverage Regressions

1 previously-covered line in 1 file lost coverage.

File	Lines Losing Coverage	Coverage
com/devonfw/tools/ide/version/VersionSegment.java	1	91.86%

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Coverage Stats

Relevant Lines:	18221
Covered Lines:	14072
Line Coverage:	77.23%
Relevant Branches:	8074
Covered Branches:	5362
Branch Coverage:	66.41%
Branches in Coverage %:	Yes
Coverage Strength:	3.3 hits per line

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💛 - Coveralls