community/rkward: disable check
1/1 test segfaults on the 3.21 builders for aarch64, x86 and x86_64.
./rkward.rbackend
--setup
--debug-level=1
--server-name=%2Ftmp%2FrkwardG9MvGlCg
--rkd-server-name=%2Ftmp%2Frkdf8mUZ8Cn
--data-dir=%2Fhome%2Fbuildozer%2F.rkward%2F
--locale-dir=
556: Starting backend. Timestamp 1496912087
Received signal 11 (SIGSEGV), code 1, for address 0x0000000000000018
initTestCase function time: 613ms, total time: 613ms
0% tests passed, 1 tests failed out of 1
Total Test time (real) = 0.90 sec
The following tests FAILED:
1 - rkward-core_test (SEGFAULT)