Refactor move tests from ebean-core to ebean-test

ebean-test/src/test/java/misc/migration/v1_0/DfkCascadeOne.java

@@ -0,0 +1,21 @@
+package misc.migration.v1_0;
+
+import javax.persistence.CascadeType;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.OneToMany;
+import javax.persistence.Table;
+
+import java.util.List;
+
+@Entity
+@Table(name = "migtest_fk_cascade_one")
+public class DfkCascadeOne {
+
+  @Id
+  long id;
+
+  @OneToMany(mappedBy = "one", cascade = CascadeType.ALL)
+  List<DfkCascade> details;
+
+}