basic_signal test: temporarily skip trap_signal_test on i386

This case crashes a bhyve VM.

PR:		265889
Sponsored by:	The FreeBSD Foundation

tests/sys/kern/basic_signal.c

@@ -164,6 +164,10 @@ ATF_TC_HEAD(signal_test_T32_to_A32, tc)
 
 t32_isa ATF_TC_BODY(signal_test_T32_to_A32, tc)
 {
+#if defined(__i386__)
+	if (atf_tc_get_config_var_as_bool_wd(tc, "ci", false))
+		atf_tc_skip("https://bugs.freebsd.org/265889");
+#endif
 	/*
 	 * Setup the signal handlers
 	 */