test: add list dep package with file tests

[Peefy]

1. Does this PR affect any open issues?(Y/N) and add issue references (e.g. "fix #123", "re #123".):

• [x] N

• [ ] Y

• test: add list dep package with file tests

2. What is the scope of this PR (e.g. component or file name):

• pkg/tools/list/dep_parser_unix_test.go

3. Provide a description of the PR(e.g. more details, effects, motivations or doc link):

• [ ] Affects user behaviors
• [ ] Contains syntax changes
• [ ] Contains variable changes
• [ ] Contains experimental features
• [ ] Performance regression: Consumes more CPU
• [ ] Performance regression: Consumes more Memory
• [x] Other

4. Are there any breaking changes?(Y/N) and describe the breaking changes(e.g. more details, motivations or doc link):

• [x] N
• [ ] Y

5. Are there test cases for these changes?(Y/N) select and add more details, references or doc links:

• [x] Unit test

• [ ] Integration test

• [ ] Benchmark (add benchmark stats below)

• [ ] Manual test (add detailed scripts or steps below)

• [ ] Other

• pkg/tools/list/dep_parser_unix_test.go

[coveralls]

Pull Request Test Coverage Report for Build 8716958991

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.04%) to 61.816%

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Totals
Change from base Build 8683913684:	0.04%
Covered Lines:	3241
Relevant Lines:	5243

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💛 - Coveralls