Refactor move tests from ebean-core to ebean-test

ebean-test/src/test/java/org/tests/basic/TestUuidInsertMasterDetail.java

@@ -0,0 +1,44 @@
+package org.tests.basic;
+
+import io.ebean.BaseTestCase;
+import io.ebean.DB;
+import org.tests.model.basic.UUOne;
+import org.tests.model.basic.UUTwo;
+import org.junit.jupiter.api.Test;
+
+import java.util.ArrayList;
+
+public class TestUuidInsertMasterDetail extends BaseTestCase {
+
+  @Test
+  public void testInsert() {
+
+    UUTwo two = new UUTwo();
+    two.setName("something");
+
+    ArrayList<UUTwo> list = new ArrayList<>();
+    list.add(two);
+
+    UUOne one = new UUOne();
+    one.setName("some one");
+    one.setComments(list);
+
+    DB.save(one);
+
+    UUOne oneB = DB.find(UUOne.class, one.getId());
+
+    UUTwo twoB = new UUTwo();
+    twoB.setName("another something");
+    oneB.getComments().add(twoB);
+
+    DB.save(oneB);
+  }
+
+  public void testNullFK() {
+
+    UUTwo two = new UUTwo();
+    two.setName("something");
+    DB.save(two);
+  }
+
+}