diff --git a/drivers/microsemi/ea1000yang/src/test/java/org/onosproject/drivers/microsemi/yang/MockIetfSystemManager.java b/drivers/microsemi/ea1000yang/src/test/java/org/onosproject/drivers/microsemi/yang/MockIetfSystemManager.java
new file mode 100644
index 0000000..49723f0
--- /dev/null
+++ b/drivers/microsemi/ea1000yang/src/test/java/org/onosproject/drivers/microsemi/yang/MockIetfSystemManager.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.drivers.microsemi.yang;
+
+import java.io.IOException;
+import java.io.UncheckedIOException;
+
+import org.onosproject.drivers.microsemi.yang.impl.IetfSystemManager;
+import org.onosproject.yang.gen.v1.http.www.microsemi.com.microsemi.edge.assure.msea.system.rev20160505.IetfSystemMicrosemiService;
+import org.onosproject.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.system.rev20140806.IetfSystemService;
+import org.onosproject.yms.app.yab.MockYmsManager;
+
+public class MockIetfSystemManager extends IetfSystemManager {
+
+    @Override
+    public void activate() {
+        try {
+            ymsService = new MockYmsManager();
+            ych = ymsService.getYangCodecHandler();
+            ych.addDeviceSchema(IetfSystemService.class);
+            ych.addDeviceSchema(IetfSystemMicrosemiService.class);
+        } catch (InstantiationException | IllegalAccessException e) {
+            log.error("Failed to load YMS Manager: " + e.getMessage());
+            e.printStackTrace();
+        } catch (IOException e) {
+            log.error("Failed to load YMS Manager: " + e.getMessage());
+            throw new UncheckedIOException(e);
+        }
+    }
+}