Refactor existing and add new tests

[mawosoft]

• Use custom equality comparers for Info to Mock comparison.
• Improve param display for tests.
• Add SearchManagerCommandsTests.

[codecov-commenter]

Codecov Report

Merging #17 (4e624a3) into master (8885384) will increase coverage by 6.57%. The diff coverage is 72.02%.

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@@            Coverage Diff             @@
##           master      #17      +/-   ##
==========================================
+ Coverage   58.38%   64.96%   +6.57%     
==========================================
  Files          36       43       +7     
  Lines        1586     1881     +295     
  Branches      151      233      +82     
==========================================
+ Hits          926     1222     +296     
+ Misses        621      550      -71     
- Partials       39      109      +70     

Impacted Files	Coverage Δ
...dowsSearchManager.Tests/mocks/MockSearchManager.cs	70.27% <25.00%> (+6.63%)	:arrow_up:
...anager.Tests/xunit/SearchRootInfoToMockComparer.cs	28.57% <28.57%> (ø)
...anager.Tests/xunit/SearchRuleInfoToMockComparer.cs	36.36% <36.36%> (ø)
...ger.Tests/xunit/SearchCatalogInfoToMockComparer.cs	40.00% <40.00%> (ø)
...ger.Tests/xunit/SearchManagerInfoToMockComparer.cs	46.15% <46.15%> (ø)
...hManager.Tests/mocks/MockSearchRegistryProvider.cs	50.00% <50.00%> (+50.00%)	:arrow_up:
...owsSearchManager.Tests/mocks/MockInterfaceChain.cs	68.33% <56.52%> (-5.63%)	:arrow_down:
...l.WindowsSearchManager.Tests/xunit/ParamWrapper.cs	77.77% <77.77%> (ø)
...sSearchManager.Tests/SearchManagerCommandsTests.cs	94.01% <94.01%> (ø)
...hell.WindowsSearchManager.Tests/CommandTestBase.cs	100.00% <100.00%> (ø)
... and 7 more

... and 1 file with indirect coverage changes