temporarily disable uorb test on OSX (#5280)

src/systemcmds/tests/tests_main.c

@@ -93,10 +93,11 @@ const struct {
 	{"commander",		commander_tests_main,	0},
 	{"controllib",		controllib_test_main,	0},
 	//{"mavlink",		mavlink_tests_main,	0}, // TODO: fix mavlink_tests
-	{"sf0x",			sf0x_tests_main,	0},
+	{"sf0x",		sf0x_tests_main,	0},
+#ifndef __PX4_DARWIN
 	{"uorb",		uorb_tests_main,	0},
-
-	{"autodeclination",		test_autodeclination,	0},
+#endif /* __PX4_DARWIN */
+	{"autodeclination",	test_autodeclination,	0},
 	{"hysteresis",		test_hysteresis,	0},
 	{"bson",		test_bson,	0},
 	{"conv",		test_conv, 0},