psuh: add test

Signed-off-by: Long Nguyen <n.h.long.9697@gmail.com>

Author: nhlong9697

builtin/psuh.c

@@ -25,6 +25,7 @@ int cmd_psuh(int argc, const char **argv,
 		OPT_END()
 	};
 	argc = parse_options(argc, argv, prefix, options, psuh_usage, 0);
+	printf(_("Pony saying hello goes here.\n"));
 
 
 	wt_status_prepare(repo, &status);

t/t9999-psuh-tutorial.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+test_description='git-psuh test
+
+This test runs git-psuh and makes sure it does not crash.'
+
+. ./test-lib.sh
+
+test_expect_success 'runs correctly with no args and good output' '
+	git psuh >actual &&
+	grep Pony actual
+'
+
+test_done