Add Node, Slice and Instance API tests

Change-Id: I3c3b9e8fbb7e485689bd8abac042b2264f6e51e3
diff --git a/src/test/cord-api/Tests/data/Node.json b/src/test/cord-api/Tests/data/Node.json
new file mode 100644
index 0000000..d726f77
--- /dev/null
+++ b/src/test/cord-api/Tests/data/Node.json
@@ -0,0 +1,13 @@
+{
+    "NodeInfo":
+    [
+        {
+            "name": "test-node-1",
+            "site_deployment": "1"
+        },
+        {
+            "name": "test-node-2",
+            "site_deployment": "1"
+        }
+    ]
+}