Add Google Tasks findChildrenInList test

app/src/androidTest/java/org/tasks/data/GoogleTaskDaoTests.java

@@ -1,8 +1,11 @@
 package org.tasks.data;
 
 import static com.natpryce.makeiteasy.MakeItEasy.with;
+import static java.util.Collections.singletonList;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;
+import static org.tasks.makers.GoogleTaskMaker.LIST;
+import static org.tasks.makers.GoogleTaskMaker.PARENT;
 import static org.tasks.makers.GoogleTaskMaker.REMOTE_ID;
 import static org.tasks.makers.GoogleTaskMaker.TASK;
 import static org.tasks.makers.GoogleTaskMaker.newGoogleTask;
@@ -10,6 +13,7 @@ import static org.tasks.makers.GtaskListMaker.newGtaskList;
 import static org.tasks.makers.TaskMaker.newTask;
 
 import androidx.test.ext.junit.runners.AndroidJUnit4;
+import com.google.common.primitives.Longs;
 import com.todoroo.astrid.dao.TaskDao;
 import com.todoroo.astrid.data.Task;
 import java.util.List;
@@ -165,6 +169,14 @@ public class GoogleTaskDaoTests extends InjectingTestCase {
     assertEquals(2, googleTaskDao.getByRemoteId("1").getOrder());
   }
 
+  @Test
+  public void findChildrenInList() {
+    googleTaskDao.insert(newGoogleTask(with(TASK, 1), with(LIST, "1")));
+    googleTaskDao.insert(newGoogleTask(with(TASK, 2), with(LIST, "1"), with(PARENT, 1L)));
+
+    assertEquals(singletonList(2L), googleTaskDao.findChildrenInList(Longs.asList(1, 2)));
+  }
+
   private void insertTop(GoogleTask googleTask) {
     insert(googleTask, true);
   }

app/src/androidTest/java/org/tasks/makers/GoogleTaskMaker.java

@@ -15,6 +15,7 @@ public class GoogleTaskMaker {
   public static final Property<GoogleTask, Integer> ORDER = newProperty();
   public static final Property<GoogleTask, String> REMOTE_ID = newProperty();
   public static final Property<GoogleTask, Integer> TASK = newProperty();
+  public static final Property<GoogleTask, Long> PARENT = newProperty();
 
   private static final Instantiator<GoogleTask> instantiator = lookup -> {
     GoogleTask task = new GoogleTask();
@@ -22,6 +23,7 @@ public class GoogleTaskMaker {
     task.setOrder(lookup.valueOf(ORDER, 0));
     task.setRemoteId(lookup.valueOf(REMOTE_ID, UUIDHelper.newUUID()));
     task.setTask(lookup.valueOf(TASK, 1));
+    task.setParent(lookup.valueOf(PARENT, 0L));
     return task;
   };