Addressed comments

Author: maneesht

firebase-database/src/androidTest/java/com/google/firebase/database/IntegrationTestHelpers.java

@@ -334,14 +334,12 @@ public static void waitFor(Semaphore semaphore, int count, long timeout, TimeUni
     assertTrue("Operation timed out", success);
   }
 
-  // Note: This assumes that the key is at the root. If the key is nested, then another solution
-  // needs to be found.
   public static DatabaseReference translateReference(DatabaseReference node, FirebaseDatabase db) {
-    return db.getReference().child(node.getKey());
+    return db.getReference().child(node.getPath().toString());
   }
 
   public static DataSnapshot referenceAtPath(DatabaseReference node, EventRecord record) {
-    return record.getSnapshot().child(node.getKey());
+    return record.getSnapshot().child(node.getPath().toString());
   }
 
   public static DataSnapshot getSnap(Query ref) throws InterruptedException {

firebase-database/src/androidTest/java/com/google/firebase/database/QueryTest.java

@@ -4637,7 +4637,6 @@ public void testGetResolvesToCacheWhenOnlineAndParentListener()
               });
       readFuture.timedGet();
       DataSnapshot snapshot = await(readNode.get());
-      ;
       assertEquals(val, Objects.requireNonNull(snapshot.getValue()));
     } catch (TestFailure | TimeoutException | ExecutionException e) {
       e.printStackTrace();