040000 tree 1c15cde65397876a04677b2156ddd3e737b42e37	distributedTest
040000 tree dc4d956a8914abddbc467194ec54d48acdce6c17	integrationTest
040000 tree 2dbd1e2cfc2fde6bc5ba415b4a07c087cfdd98b0	main
040000 tree 7c187ba89f88a271cc5174ffea6b2d58f58a3b5d	test
040000 tree 513a35ff32d770e43712b34892fbde02e0f4bc55	upgradeTest