Create schema set REST API and service level

Issue-ID: CPS-123
Change-Id: Ie6d5fd4755454331415af7b80eaf85925efab395
Signed-off-by: Ruslan Kashapov <ruslan.kashapov@pantheon.tech>
diff --git a/cps-service/src/test/resources/invalid-missing-import.yang b/cps-service/src/test/resources/invalid-missing-import.yang
new file mode 100644
index 0000000..3a0cc87
--- /dev/null
+++ b/cps-service/src/test/resources/invalid-missing-import.yang
@@ -0,0 +1,15 @@
+module test-module {
+    yang-version 1.1;
+
+    namespace "org:onap:cps:test:test-module";
+    revision "2020-02-02";
+    prefix "self";
+
+    import missing-module {
+        prefix "missing";
+    }
+
+    container self-container {
+        uses "missing:missing-group";
+    }
+}