[VOL-4328] Added rw-core restart with ping in background scenario for DT and TT,
[VOL-4367] Added voltha control plane functionality verification after pod restart for DT and TT,
and Also updated cord-robot library requirement to version 2.1.7

Change-Id: Ia72a57ad46fbbf0fa2baac416e591c7ecdc350bf
diff --git a/requirements.txt b/requirements.txt
index 9d78f8e..50fcf46 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@
 yamllint==1.23.0
 # replace when we can use upstream (needs python 3.6)
 git+https://github.com/zdw/robotframework-importresource@b81b87aabaee0594e966687b41e3674b866f28ee
-cord-robot==2.1.6
+cord-robot==2.1.7
 virtualenv
 matplotlib>=3.0.3
 requests==2.24.0
@@ -18,4 +18,4 @@
 voltha-protos>=4.2.0
 protobuf>=3.15.7
 protobuf3-to-dict>=0.1.5
-device-management-interface>=0.13.0
\ No newline at end of file
+device-management-interface>=0.13.0