tests: s/assert/igt_assert

Just a wholesale rollout for now, we can refine later on.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/tests/gem_lut_handle.c b/tests/gem_lut_handle.c
index 1b7974b..dcb6b51 100644
--- a/tests/gem_lut_handle.c
+++ b/tests/gem_lut_handle.c
@@ -30,7 +30,6 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
-#include <assert.h>
 #include <fcntl.h>
 #include <inttypes.h>
 #include <errno.h>
@@ -98,7 +97,7 @@
 
 	gem_exec = calloc(num_exec+1, sizeof(*gem_exec));
 	gem_reloc = calloc(num_reloc, sizeof(*gem_reloc));
-	assert(gem_exec && gem_reloc);
+	igt_assert(gem_exec && gem_reloc);
 
 	for (n = 0; n < num_exec; n++) {
 		gem_exec[n].handle = gem_create(fd, 4096);