Refactor move tests from ebean-core to ebean-test

ebean-test/src/test/java/org/tests/batchload/TestEmptyManyLazyLoad.java

@@ -0,0 +1,33 @@
+package org.tests.batchload;
+
+import io.ebean.BaseTestCase;
+import io.ebean.DB;
+import org.junit.jupiter.api.Test;
+import org.tests.model.basic.Customer;
+import org.tests.model.basic.Order;
+import org.tests.model.basic.Order.Status;
+import org.tests.model.basic.ResetBasicData;
+
+public class TestEmptyManyLazyLoad extends BaseTestCase {
+
+  @Test
+  public void test() {
+
+    ResetBasicData.reset();
+
+    Customer c = DB.find(Customer.class).findList().get(0);
+
+    Order o = new Order();
+    o.setCustomer(c);
+    o.setStatus(Status.NEW);
+
+    DB.save(o);
+
+    Order o2 = DB.find(Order.class, o.getId());
+    o2.getDetails().size();
+
+    // cleanup
+    DB.delete(o2);
+
+  }
+}