Improve tests

Author: JohnTitor

tests/ui/entry.rs

@@ -69,7 +69,14 @@ fn insert_other_if_absent<K: Eq + Hash, V>(m: &mut HashMap<K, V>, k: K, o: K, v:
 }
 
 // should not trigger, because the one uses different HashMap from another one
-fn insert_other<K: Eq + Hash, V>(m: &mut HashMap<K, V>, n: &mut HashMap<K, V>, k: K, v: V) {
+fn insert_from_different_map<K: Eq + Hash, V>(m: HashMap<K, V>, n: &mut HashMap<K, V>, k: K, v: V) {
+    if !m.contains_key(&k) {
+        n.insert(k, v);
+    }
+}
+
+// should not trigger, because the one uses different HashMap from another one
+fn insert_from_different_map2<K: Eq + Hash, V>(m: &mut HashMap<K, V>, n: &mut HashMap<K, V>, k: K, v: V) {
     if !m.contains_key(&k) {
         n.insert(k, v);
     }