Fix elif and doc update

Author: yunhanw-google

scripts/tests/cirque_tests.sh

@@ -47,7 +47,7 @@ RESET_COLOR="\033[0m"
 function __screen() {
     if [[ "x$GITHUB_ACTION_RUN" == "x1" ]]; then
         "$@"
-    else if which screen; then
+    elif which screen; then
         screen -dm "$@"
     else
         "$@"

src/test_driver/linux-cirque/README.md

@@ -12,16 +12,12 @@ There is a script for running cirque tests, you can find it at
 
 ## "Docker out of docker" setup
 
-If you don't want cirque break your local environment, you can run
+If you don't want cirque break your local environment, you can enter a environment insider docker
 
 ```
-integrations/docker/images/chip-build-cirque/run.sh bash
+./integrations/docker/images/chip-build-cirque/run.sh --privileged --env LOG_DIR=/tmp/cirque_test_output --env CLEANUP_DOCKER_FOR_CI=1 --volume /dev/pts:/dev/pts --volume /tmp/cirque_test_output:/tmp/cirque_test_output -it -- bash
 ```
 
-To enter a environment inside docker, the following commands can be used inside the container without any change.
-
-Alternatively, you can prepend `integrations/docker/images/chip-build-cirque/run.sh` to the commands in this doc.
-
 ## Setting up cirque environment
 
 After checkout, in your local project chip directory, run: