[ONOS-6375] Add skeleton code for Web GUI of mapping management app

Change-Id: I95079e6ac422591e6d5afed59b97d2a248573770
diff --git a/apps/mappingmanagement/web/src/test/java/org/onosproject/mapping/web/MappingsWebResourceTest.java b/apps/mappingmanagement/web/src/test/java/org/onosproject/mapping/web/MappingsWebResourceTest.java
index 79290d3..f149906 100644
--- a/apps/mappingmanagement/web/src/test/java/org/onosproject/mapping/web/MappingsWebResourceTest.java
+++ b/apps/mappingmanagement/web/src/test/java/org/onosproject/mapping/web/MappingsWebResourceTest.java
@@ -54,6 +54,7 @@
 import org.onosproject.mapping.codec.MappingTreatmentCodec;
 import org.onosproject.mapping.codec.MappingValueCodec;
 import org.onosproject.mapping.instructions.MappingInstruction;
+import org.onosproject.mapping.web.api.MappingsWebApplication;
 import org.onosproject.net.DefaultDevice;
 import org.onosproject.net.Device;
 import org.onosproject.net.DeviceId;