Psr0FixerTest - Fixer do not print anything, so there is no need to catch and check output buffer
minor #441 Remove risky test: Psr0FixerTest - Fixer do not print anything. (keradus)

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

Discussion
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Remove risky test: Psr0FixerTest - Fixer do not print anything.

Psr0FixerTest - Fixer do not print anything so there is no need to catch and check output buffer.
This allow us to remove risky test reported by PHPUnit

Commits
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9de4de1 Psr0FixerTest - Fixer do not print anything, so there is no need to catch and check output buffer