examples: Use WILL_FAIL instead of regular expression
examples: Use WILL_FAIL instead of regular expression

Signed-off-by: Andreas Schneider <5be00ddc76278cf6077f5047ca3384a88460c671@cryptomilk.org>

dsch/cmocka,tyc/cmocka,tyc/cmocka,clibs/cmocka,dsch/cmocka,wingyplus/cmocka,JonathonReinhart/cmocka,wingyplus/cmocka,VladimirTyrin/cmocka,jamesmunns/CMocka,tyc/cmocka,VladimirTyrin/cmocka,clibs/cmocka,JonathonReinhart/cmocka,jamesmunns/CMocka