The test essentially runs out of metaspace memory. Please evaluate if that's an intended behavior. And if anything can be done about it.

[2015-09-04T08:58:03.07] Heap after GC invocations=944 (full 632):
[2015-09-04T08:58:03.07] garbage-first heap total 74752K, used 22182K [0x00000000e0000000, 0x00000000e0100248, 0x0000000100000000)
[2015-09-04T08:58:03.07] region size 1024K, 0 young (0K), 0 survivors (0K)
[2015-09-04T08:58:03.07] Metaspace used 125498K, capacity 126864K, committed 131072K, reserved 133120K
[2015-09-04T08:58:03.07] class space used 60646K, capacity 61328K, committed 65536K, reserved 65536K
[2015-09-04T08:58:03.07] }
[2015-09-04T08:58:03.07] [Times: user=3.82 sys=0.13 real=67.24 secs]
[2015-09-04T08:58:03.08] {Heap before GC invocations=944 (full 632):
[2015-09-04T08:58:03.08] garbage-first heap total 74752K, used 22182K [0x00000000e0000000, 0x00000000e0100248, 0x0000000100000000)
[2015-09-04T08:58:03.08] region size 1024K, 0 young (0K), 0 survivors (0K)
[2015-09-04T08:58:03.08] Metaspace used 125498K, capacity 126864K, committed 131072K, reserved 133120K
[2015-09-04T08:58:03.08] class space used 60646K, capacity 61328K, committed 65536K, reserved 65536K
[2015-09-04T08:58:05.36] 1888.113: #1239: [Full GC (Last ditch collection) # Test level exit status: 151