Add ability to manually run dataplane tests on a patch

Change-Id: Ie36064c9cf6a142cecb12fd14c0fb72b4788c346
diff --git a/jjb/pipeline/voltha-physical-build-and-tests.groovy b/jjb/pipeline/voltha-physical-build-and-tests.groovy
index 7d2bea7..5f1bfff 100644
--- a/jjb/pipeline/voltha-physical-build-and-tests.groovy
+++ b/jjb/pipeline/voltha-physical-build-and-tests.groovy
@@ -343,6 +343,11 @@
         if [[ "$GERRIT_EVENT_COMMENT_TEXT" =~ \$REGEX ]]; then
           ROBOT_MISC_ARGS+="-i functional"
         fi
+        # Likewise for dataplane tests
+        REGEX="dataplane tests"
+        if [[ "$GERRIT_EVENT_COMMENT_TEXT" =~ \$REGEX ]]; then
+          ROBOT_MISC_ARGS+="-i dataplane"
+        fi
 
         make -C $WORKSPACE/voltha/voltha-system-tests voltha-test || true
         """