[Tester] Restructure CommandTestTrait to allow more flexibility #71

Job	Run time
After Split Testing of application	44s
After Split Testing of aws-tool-kit	45s
After Split Testing of console	6m 41s
After Split Testing of core	56s
After Split Testing of cron-job	56s
After Split Testing of doctrine-extra	53s
After Split Testing of entity-migrator	56s
After Split Testing of fixer	54s
After Split Testing of framework-extra-bundle	1m 1s
After Split Testing of log	55s
After Split Testing of mailer	48s
After Split Testing of messenger	57s
After Split Testing of open-api	48s
After Split Testing of process	44s
After Split Testing of profiling	47s
After Split Testing of security	56s
After Split Testing of sonata-import-bundle	6m 29s
After Split Testing of sonata-integration-bundle	48s
After Split Testing of sonata-extra-bundle	47s
After Split Testing of tester	44s
After Split Testing of tester-bundle	44s
After Split Testing of user-bundle	45s
After Split Testing of validator	44s
After Split Testing of workflow	43s
	31m 25s

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