Tests: fifo_timeout fails on nrf51_pca10028

[spoorthik]

Test location: tests/kernel/fifo/fifo_timeout

Issue: Assertion failure on test case test_timeout_threads_pend_on_dual_fifos and test_timeout_threads_pend_fail_on_fifo

Execution log:

Running test suite test_fifo_timeout
===================================================================
starting test - test_timeout_empty_fifo
PASS - test_timeout_empty_fifo
===================================================================
starting test - test_timeout_non_empty_fifo
PASS - test_timeout_non_empty_fifo
===================================================================
starting test - test_timeout_fifo_thread
PASS - test_timeout_fifo_thread
===================================================================
starting test - test_timeout_threads_pend_on_fifo
thread (q order: 2, t/o: 0, fifo 0x20000000)
thread (q order: 3, t/o: 10, fifo 0x20000000)
thread (q order: 0, t/o: 20, fifo 0x20000000)
thread (q order: 4, t/o: 30, fifo 0x20000000)
thread (q order: 1, t/o: 40, fifo 0x20000000)
PASS - test_timeout_threads_pend_on_fifo
===================================================================
starting test - test_timeout_threads_pend_on_dual_fifos
thread (q order: 0, t/o: 0, fifo 0x20000010)
thread (q order: 5, t/o: 10, fifo 0x20000000)
FAIL - test_multiple_threads_pending@156. *** thread 3 woke up, expected 2

 Assertion failed at zephyr.git/tests/kernel/fifo/fifo_timeout/src/main.c:390: test_timeout_threads_pend_on_dual_fifos: rv not equal to TC_PASS
FAIL - test_timeout_threads_pend_on_dual_fifos
===================================================================
starting test - test_timeout_threads_pend_fail_on_fifo
FAIL - test_multiple_threads_get_data@208. *** thread 7 woke up, expected 0

 Assertion failed at zephyr.git/tests/kernel/fifo/fifo_timeout/src/main.c:405: test_timeout_threads_pend_fail_on_fifo: rv not equal to TC_PASS
FAIL - test_timeout_threads_pend_fail_on_fifo
===================================================================
===================================================================
RunID: ci-180605-1802-1734:gpwi
PROJECT EXECUTION FAILED

 Assertion failed at zephyr.git/tests/kernel/fifo/fifo_timeout/src/main.c:171: test_thread_pend_and_get_data: packet != NULL is false


 Assertion failed at zephyr.git/tests/kernel/fifo/fifo_timeout/src/main.c:171: test_thread_pend_and_get_data: packet != NULL is false


 Assertion failed at zephyr.git/tests/kernel/fifo/fifo_timeout/src/main.c:171: test_thread_pend_and_get_data: packet != NULL is false

Boards: nrf51_pca10028

Latest commit on which failure observed: 265f502

[spoorthik]

duplicate of #8159