debug : pre existing container and image removal

Signed-off-by: Parth Pratim Chatterjee <[email protected]>

Author: ParthPratim

.circleci/config.yml

@@ -79,6 +79,10 @@ do_steps: &do_steps
         TERM: dumb
       command: |
         mkdir -p ~/junit/
+        docker ps -a -q   # debug : are there any docker containers? 
+        docker images -q   # debug : are there any docker images ? 
+        docker rm $(docker ps -a -q)
+        docker rmi $(docker images -q)
         find ~/source -type f -name results.xml -exec cp {} ~/junit/ \;
         find ~/source -type f -name xml2junit.xsl -exec cp {} ~/junit/ \;
         cp -rpf ~/source/ns-3-dce/testpy-output ~/