Tests\Fixer\* - standardize and and caching generating SplFileInfo in tests
minor #364 Tests\Fixer\* - standardize generating and caching SplFileInfo in tests. (keradus)

This PR was merged into the 0.5.x-dev branch.

Discussion
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Tests\Fixer\* - standardize generating and caching SplFileInfo in tests.

Standardize generating and caching SplFileInfo in tests.

Commits
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9d3071e Tests\Fixer\* - standardize and and caching generating SplFileInfo in tests