tst_snippets fails on OpenSUSE 13.1 and Ubuntu

 PASS   : tst_Snippets::screenshots(qtlabscontrols-tabbutton)
 tst_snippets: malloc.c:4095: malloc_consolidate: Assertion `nextchunk->fd_nextsize->bk_nextsize == nextchunk' failed.
 make: *** [check] Aborted (core dumped)
 
 agent:2016/03/08 11:17:33 build.go:206: Process finished with error: exit status 2
 agent:2016/03/08 11:17:33 build.go:158: Error reading from stdout/err: exit status 2
 agent:2016/03/08 11:17:33 agent.go:170: Test failed
 agent:2016/03/08 11:17:33 agent.go:127: ERROR building: Error unmarshalling testlib xml output: EOF