- added help testcases

t/03-info.t

 use v5.36;
 use Test::Cmd;
-use Test::More tests =>3;
+use Test::More tests =>12;
 use Path::Tiny;
 my $perl = $^X;
 my $testapp = Test::Cmd->new(
@@ -27,12 +27,20 @@ password: 839852bed005a7f1237578a6ac1197c142f7d0dd58bb248446dc7849d4bf770902e7f9
 user: lza
 _CFG_
 # tests
+
+foreach my $param ("help info", "info -h", "info --help") {
+    $testapp->run(args => $param);
+    #say "STDOUT:",$testapp->stdout;
+    #say "STDERR:",$testapp->stderr;
+    like($testapp->stdout, qr/this usage screen/, "ta-tool $param, stdout");
+    like($testapp->stderr, qr/^$/, "ta-tool $param, stderr");
+    is($? >> 8, 0, "ta-tool $param, exit status");
+}
+
 note "elastic search version";
 $testapp->run(args =>'info --target-version');
 like($testapp->stdout, qr/^6\.\d\.\d{1,2}$/, 'ta-tool elasticsearch version, stdout');
 like($testapp->stderr, qr/^$/, 'ta-tool elasticsearch version, stderr');
 is($? >> 8, 0, 'ta-tool elasticsearch version, exit status');
 
-
-
 1;