Bug 1618286 - Test for subset of adb features in unit test, not exact set r=whimboo,webdriver-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D65176

--HG--
extra : moz-landing-system : lando

testing/mozbase/rust/mozdevice/src/test.rs

@@ -100,10 +100,9 @@ fn host_features() {
         ..Default::default()
     };
 
-    let mut set = BTreeSet::new();
-    set.insert("cmd".to_owned());
-    set.insert("shell_v2".to_owned());
-    assert_eq!(set, host.features().expect("to query features"));
+    let set = host.features::<BTreeSet<_>>().expect("to query features");
+    assert!(set.contains("cmd"));
+    assert!(set.contains("shell_v2"));
 }
 
 #[test]