- added more tests

t/02-help.t

 use v5.36;
 use Test::Cmd;
-use Test::More tests =>4;
+use Test::More tests =>10;
 use Path::Tiny;
 my $perl = $^X;
 my $testapp = Test::Cmd->new(
@@ -12,8 +12,10 @@ my $testapp = Test::Cmd->new(
 );
 # tests
 ok($testapp, "init 'ta-tool'");
-$testapp->run(args =>'--help');
-like($testapp->stdout, qr/Available commands:/, 'ta-tool --help, stdout');
-like($testapp->stderr, qr/^$/, 'ta-tool --help, stderr');
-is($? >> 8, 0, 'ta-tool --help, exit status');
+foreach my $param (qw(--help -h help)) {
+    $testapp->run(args => $param);
+    like($testapp->stdout, qr/Available commands:/, "ta-tool $param, stdout");
+    like($testapp->stderr, qr/^$/, "ta-tool $param, stderr");
+    is($? >> 8, 0, "ta-tool $param, exit status");
+}
 1;