Initial import of CFM and SOAM api

Change-Id: Icf5cc2d5fb34b75460e80e8cced0d70265bcd33b
diff --git a/incubator/api/src/test/java/org/onosproject/incubator/net/l2monitoring/soam/loss/LossAvailabilityStatHistoryTest.java b/incubator/api/src/test/java/org/onosproject/incubator/net/l2monitoring/soam/loss/LossAvailabilityStatHistoryTest.java
new file mode 100644
index 0000000..1b68b6e
--- /dev/null
+++ b/incubator/api/src/test/java/org/onosproject/incubator/net/l2monitoring/soam/loss/LossAvailabilityStatHistoryTest.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * 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.incubator.net.l2monitoring.soam.loss;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import java.time.Duration;
+import java.time.Instant;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.onosproject.incubator.net.l2monitoring.soam.SoamId;
+import org.onosproject.incubator.net.l2monitoring.soam.loss.LossAvailabilityStatHistory.LaStatHistoryBuilder;
+
+public class LossAvailabilityStatHistoryTest {
+    LossAvailabilityStatHistory lash1;
+
+    @Before
+    public void setUp() {
+        LaStatHistoryBuilder builder = DefaultLaStatHistory.builder(
+                Duration.ofMinutes(12), true, SoamId.valueOf(5),
+                Instant.ofEpochSecond(123456789L));
+
+        lash1 = builder.build();
+    }
+
+    @Test
+    public void testHistoryStatsId() {
+        assertEquals(5, lash1.historyStatsId().id().intValue());
+    }
+
+    @Test
+    public void testEndTime() {
+        assertEquals(123456789L, lash1.endTime().getEpochSecond());
+    }
+
+    @Test
+    public void testElapsedTime() {
+        assertEquals(12, lash1.elapsedTime().toMinutes());
+    }
+
+    @Test
+    public void testSuspectStatus() {
+        assertTrue(lash1.suspectStatus());
+    }
+
+}