fixup! amend tests since missing or external subcommand support was a…

…dded

tests/subcommands.rs

@@ -531,12 +531,9 @@ fn busybox_like_multicall() {
     assert_eq!(m.subcommand_name(), None);
     assert_eq!(m.occurrences_of("install"), 1);
 
-    let m = app.clone().get_matches_from(&["a.out", "--install"]);
-    assert_eq!(m.subcommand_name(), None);
-    assert_eq!(m.occurrences_of("install"), 1);
-
-    let m = app.clone().get_matches_from(&["a.out", "true"]);
-    assert_eq!(m.subcommand_name(), Some("true"));
+    let m = app.clone().try_get_matches_from(&["a.out"]);
+    assert!(m.is_err());
+    assert_eq!(m.unwrap_err().kind, ErrorKind::UnknownArgument);
 
     let m = app.try_get_matches_from(&["true", "--install"]);
     assert!(m.is_err());
@@ -556,11 +553,9 @@ fn hostname_like_multicall() {
     let m = app.clone().get_matches_from(&["dnsdomainname"]);
     assert_eq!(m.subcommand_name(), Some("dnsdomainname"));
 
-    let m = app.clone().get_matches_from(&["a.out", "hostname"]);
-    assert_eq!(m.subcommand_name(), Some("hostname"));
-
-    let m = app.clone().get_matches_from(&["a.out", "dnsdomainname"]);
-    assert_eq!(m.subcommand_name(), Some("dnsdomainname"));
+    let m = app.clone().try_get_matches_from(&["a.out"]);
+    assert!(m.is_err());
+    assert_eq!(m.unwrap_err().kind, ErrorKind::UnknownArgument);
 
     let m = app.try_get_matches_from_mut(&["hostname", "hostname"]);
     assert!(m.is_err());