[CronJob/SonataIntegrationBundle] change error as json to text #45

Job	Run time
After Split Testing of application	52s
After Split Testing of aws-tool-kit	1m 5s
After Split Testing of console	51s
After Split Testing of core	43s
After Split Testing of cron-job	52s
After Split Testing of doctrine-extra	45s
After Split Testing of entity-migrator	54s
After Split Testing of fixer	1m 0s
After Split Testing of framework-extra-bundle	1m 7s
After Split Testing of log	54s
After Split Testing of mailer	47s
After Split Testing of messenger	49s
After Split Testing of open-api	48s
After Split Testing of process	59s
After Split Testing of profiling	1m 22s
After Split Testing of security	44s
After Split Testing of sonata-import-bundle	54s
After Split Testing of sonata-integration-bundle	50s
After Split Testing of sonata-extra-bundle	59s
After Split Testing of tester	58s
After Split Testing of tester-bundle	1m 28s
After Split Testing of user-bundle	50s
After Split Testing of validator	1m 50s
After Split Testing of workflow	48s
	23m 9s

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