Ignore errors while loading ObjectManager #254

Job	Run time
Platform test (7.4)	3m 17s
Platform test (8.0)	2m 55s
Platform test (8.1)	3m 4s
Platform test (8.2)	3m 2s
Platform test (8.3)	3m 26s
Platform test (8.4)	3m 5s
Platform test (8.1, doctrine/orm:^3.0 doctrine/dbal:^4.0 carbonphp/carbon-doctrine-types:^3 gedmo...	2m 38s
Platform test (8.2, doctrine/orm:^3.0 doctrine/dbal:^4.0 carbonphp/carbon-doctrine-types:^3 gedmo...	2m 36s
Platform test (8.3, doctrine/orm:^3.0 doctrine/dbal:^4.0 carbonphp/carbon-doctrine-types:^3 gedmo...	2m 56s
Platform test (8.4, doctrine/orm:^3.0 doctrine/dbal:^4.0 carbonphp/carbon-doctrine-types:^3 gedmo...	2m 49s
	29m 48s

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