Development environment fixes #426

Job	Run time
Test aip-encrypt on Firefox	23m 6s
Test aip-encrypt on Chrome	22m 23s
Test aip-encrypt-mirror on Firefox	18m 36s
Test aip-encrypt-mirror on Chrome	15m 8s
Test black-box on Chrome	39m 32s
Test icc on Firefox	16m 13s
Test icc on Chrome	20m 25s
Test ipc preservation on Firefox	34m 46s
Test ipc preservation on Chrome	32m 44s
Test ipc access on Firefox	30m 16s
Test ipc access on Chrome	29m 0s
Test metadata-xml on Firefox	24m 16s
Test metadata-xml on Chrome	28m 51s
Test tcc on Firefox	17m 12s
Test tcc on Chrome	17m 56s
Test tpc on Firefox	17m 24s
Test tpc on Chrome	16m 12s
Test uuids-dirs on Firefox	15m 45s
Test uuids-dirs on Chrome	15m 22s
	7h 15m 7s

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