test(help): Display value terminator

tests/builder/help.rs

@@ -2064,6 +2064,34 @@ Options:
     utils::assert_output(cmd, "test --help", expected, false);
 }
 
+#[test]
+fn display_value_terminator() {
+    let cmd = Command::new("test")
+        .author("Jaffa")
+        .about("Likes seeing the value terminator")
+        .arg(
+            Arg::new("cmd")
+                .long("cmd")
+                .action(ArgAction::Append)
+                .help("command to run")
+                .required(true)
+                .num_args(1..)
+                .value_terminator(";"),
+        );
+
+    let expected = str![[r#"
+Likes seeing the value terminator
+
+Usage: test --cmd <cmd>...
+
+Options:
+      --cmd <cmd>...  command to run
+  -h, --help          Print help
+
+"#]];
+    utils::assert_output(cmd, "test --help", expected, false);
+}
+
 #[test]
 fn custom_headers_headers() {
     let cmd = Command::new("blorp")