Created BlockedPortsConfig in SegmentRouting app.
- unit test uses json text file as input

Change-Id: If4fdf0f259f4e5801065b5c905520c6ffc17ee57
diff --git a/apps/segmentrouting/src/test/resources/blocked-ports.json b/apps/segmentrouting/src/test/resources/blocked-ports.json
new file mode 100644
index 0000000..2543f3d
--- /dev/null
+++ b/apps/segmentrouting/src/test/resources/blocked-ports.json
@@ -0,0 +1,5 @@
+{
+  "of:0000000000000001": ["1-4", "7-9"],
+  "of:0000000000000003": ["7-9"],
+  "of:0000000000000004": ["1", "5", "9"]
+}