Test coverage for DesignServiceProvider

Add 100% coverage for class

Issue-ID: APPC-1436
Change-Id: I7e20fa92e5d6b16f7b3c791538464575024fefc5
Signed-off-by: Joss Armstrong <joss.armstrong@ericsson.com>
diff --git a/appc-inbound/appc-design-services/provider/src/test/java/org/onap/appc/design/services/DesignServiceProviderTest.java b/appc-inbound/appc-design-services/provider/src/test/java/org/onap/appc/design/services/DesignServiceProviderTest.java
new file mode 100644
index 0000000..0b5dac4
--- /dev/null
+++ b/appc-inbound/appc-design-services/provider/src/test/java/org/onap/appc/design/services/DesignServiceProviderTest.java
@@ -0,0 +1,54 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2019 Ericsson
+ * ================================================================================
+ * 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.
+ *
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.appc.design.services;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mockito;
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
+import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.RpcRegistration;
+import org.powermock.reflect.Whitebox;
+
+public class DesignServiceProviderTest {
+
+    private DataBroker dataBroker;
+    private RpcProviderRegistry rpcProviderRegistry;
+    private RpcRegistration serviceRegistration;
+
+    @Before
+    public void setup() {
+        dataBroker = Mockito.mock(DataBroker.class);
+        rpcProviderRegistry = Mockito.mock(RpcProviderRegistry.class);
+        serviceRegistration = Mockito.mock(RpcRegistration.class);
+    }
+
+    @Test
+    public void test() {
+        DesignServiceProvider provider = new DesignServiceProvider(dataBroker, rpcProviderRegistry);
+        provider.init();
+        Whitebox.setInternalState(provider, "serviceRegistration", serviceRegistration);
+        provider.close();
+        Mockito.verify(serviceRegistration).close();
+    }
+
+}