CSIT: Integration tests for CPS Core

+ also fixes issue with fragment_id sequence not reflecting data loaded

Issue-ID: CPS-261
Change-Id: If590d6a0859a1acc9005dd2da952b7dd93a23059
Signed-off-by: Ruslan Kashapov <ruslan.kashapov@pantheon.tech>

3 files changed, 52 insertions, 0 deletions

diff --git a/csit/data/test-tree.json b/csit/data/test-tree.json
new file mode 100644
index 0000000000..bc9cbd7cea
--- /dev/null
+++ b/csit/data/test-tree.json
@@ -0,0 +1,28 @@
+{
+  "test-tree": {
+    "branch": [
+      {
+        "name": "Left",
+        "nest": {
+          "name": "Small",
+          "birds": [
+            "Sparrow",
+            "Robin",
+            "Finch"
+          ]
+        }
+      },
+      {
+        "name": "Right",
+        "nest": {
+          "name": "Big",
+          "birds": [
+            "Owl",
+            "Raven",
+            "Crow"
+          ]
+        }
+      }
+    ]
+  }
+}
\ No newline at end of file
diff --git a/csit/data/test-tree.yang b/csit/data/test-tree.yang
new file mode 100644
index 0000000000..faba8a11d4
--- /dev/null
+++ b/csit/data/test-tree.yang
@@ -0,0 +1,24 @@
+module test-tree {
+    yang-version 1.1;
+
+    namespace "org:onap:cps:test:test-tree";
+    prefix tree;
+    revision "2020-02-02";
+
+    container test-tree {
+        list branch {
+            key "name";
+            leaf name {
+                type string;
+            }
+            container nest {
+                leaf name {
+                    type string;
+                }
+                leaf-list birds {
+                    type string;
+                }
+            }
+        }
+    }
+}
diff --git a/csit/data/yang-resources.zip b/csit/data/yang-resources.zip
new file mode 100644
index 0000000000..8e5808662a
--- /dev/null
+++ b/csit/data/yang-resources.zip