test: use plain asserts for coverity

It seems like coverity cannot deal with g_assert_cmpint and thus
gives us false positives assuming fd could be -1. Use plain
asserts for now. I tried to add a modeling file but that didnt
work int their web interface.

tests/bolt-test.c

@@ -30,6 +30,7 @@
 
 #include <glib-unix.h>
 
+#include <assert.h>
 #include <errno.h>
 #include <string.h>
 #include <sys/types.h>
@@ -117,7 +118,7 @@ notify_socket_new (void)
   g_assert_nonnull (ns->tmpdir);
 
   fd = socket (AF_UNIX, SOCK_DGRAM | SOCK_CLOEXEC | SOCK_NONBLOCK, 0);
-  g_assert_cmpint (fd, >, -1);
+  assert (fd > -1); /* plain assert for coverity */
 
   ns->socket_path = g_build_filename (ns->tmpdir, "notify_socket", NULL);
 

tests/test-guard.c

@@ -31,6 +31,7 @@
 #include <glib/gprintf.h>
 #include <glib/gstdio.h>
 
+#include <assert.h>
 #include <locale.h>
 #include <stdlib.h>
 #include <sys/wait.h>
@@ -277,7 +278,7 @@ test_guard_recover_dead (TestGuard *tt, gconstpointer user)
 
   fd = bolt_guard_monitor (guard, &err);
   g_assert_no_error (err);
-  g_assert_cmpint (fd, >, -1);
+  assert (fd > -1); /* plain assert for coverity */
   g_object_unref (guard); /* monitor adds a references */
 
   /* memorize the fifo so we can check it exists