Fixed DbMigration classes (put them in the right place)

ebean-test/src/test/java/misc/migration/v1_1/DropRefMany.java

@@ -0,0 +1,34 @@
+package misc.migration.v1_1;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.ManyToMany;
+import javax.persistence.Table;
+import java.util.List;
+
+@Entity
+@Table(name = "drop_ref_many")
+public class DropRefMany {
+
+  @Id
+  Integer id;
+
+  @ManyToMany(cascade = {}, mappedBy = "refsMany")
+  List<DropMain> parents;
+
+  public Integer getId() {
+    return id;
+  }
+
+  public void setId(Integer id) {
+    this.id = id;
+  }
+
+  public List<DropMain> getParents() {
+    return parents;
+  }
+
+  public void setParents(List<DropMain> parents) {
+    this.parents = parents;
+  }
+}