test: bdinfo: Test bdinfo -h

The bdinfo -h should print error message that -h is an unknown
parameter and then command help text. Test the expected output.

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
diff --git a/test/cmd/bdinfo.c b/test/cmd/bdinfo.c
index 509a8b5..2f34d87 100644
--- a/test/cmd/bdinfo.c
+++ b/test/cmd/bdinfo.c
@@ -226,6 +226,23 @@
 
 BDINFO_TEST(bdinfo_test_full, UT_TESTF_CONSOLE_REC);
 
+static int bdinfo_test_help(struct unit_test_state *uts)
+{
+	/* Test BDINFO unknown option help text print */
+	ut_assertok(console_record_reset_enable());
+	ut_asserteq(1, run_commandf("bdinfo -h"));
+	ut_assert_nextlinen("bdinfo: invalid option -- h");
+	ut_assert_nextlinen("bdinfo - print Board Info structure");
+	ut_assert_nextline_empty();
+	ut_assert_nextlinen("Usage:");
+	ut_assert_nextlinen("bdinfo");
+	ut_assertok(ut_check_console_end(uts));
+
+	return 0;
+}
+
+BDINFO_TEST(bdinfo_test_help, UT_TESTF_CONSOLE_REC);
+
 int do_ut_bdinfo(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 {
 	struct unit_test *tests = UNIT_TEST_SUITE_START(bdinfo_test);