Fix Generate METS job for DSpace transfers #634

Job	Run time
Test aip-encrypt on Firefox	19m 43s
Test aip-encrypt on Chrome	19m 8s
Test aip-encrypt-mirror on Firefox	13m 3s
Test aip-encrypt-mirror on Chrome	12m 48s
Test black-box on Chrome	30m 10s
Test icc on Firefox	13m 59s
Test icc on Chrome	14m 8s
Test ipc preservation on Firefox	18m 41s
Test ipc preservation on Chrome	17m 47s
Test ipc access on Firefox	18m 16s
Test ipc access on Chrome	18m 19s
Test metadata-xml on Firefox	20m 7s
Test metadata-xml on Chrome	19m 2s
Test tcc on Firefox	14m 7s
Test tcc on Chrome	13m 46s
Test tpc on Firefox	14m 45s
Test tpc on Chrome	14m 0s
Test uuids-dirs on Firefox	13m 29s
Test uuids-dirs on Chrome	13m 9s
	5h 18m 27s

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