Merge pull request #1494 from DAKSH-coder26/fix-jsonargsrecommended-1477

Fix lint warnings in simple test Dockerfile

Author: minrk

tests/dockerfile/simple/Dockerfile

@@ -2,11 +2,11 @@ FROM python:3.10
 
 RUN pip install --no-cache notebook
 
-CMD "/bin/sh"
+CMD ["/bin/sh"]
 
 ADD sayhi.sh /usr/local/bin/sayhi.sh
 ADD verify verify
 
 ARG NB_UID
-ENV HOME /tmp
+ENV HOME=/tmp
 USER $NB_UID