Would help if I added these files in the right directory

test/integration/roles/test_docker/tasks/docker-setup-debian.yml

+- name: Install docker packages (apt)
+  apt:
+    state: present
+    # Note: add docker-registry when available
+    name: docker.io,python-docker,netcat-openbsd
+

test/integration/roles/test_docker/tasks/docker-tests.yml

+- name: Start docker daemon
+  service:
+    name: docker
+    state: started
+
+- name: Download busybox image
+  docker:
+    image: busybox
+    state: present
+    pull: missing
+
+- name: Run a small script in busybox
+  docker:
+    image: busybox
+    state: reloaded
+    pull: always
+    command: "nc -l -p 2000 -e xargs -n1 echo hello"
+    detach: True
+
+- name: Get the docker container id
+  shell: "docker ps | grep busybox | awk '{ print $1 }'"
+  register: container_id
+
+- debug: var=container_id
+
+- name: Get the docker container ip
+  shell: "docker inspect {{ container_id.stdout_lines[0] }} | grep IPAddress | awk -F '\"' '{ print $4 }'"
+  register: container_ip
+
+- debug: var=container_ip
+
+- name: Try to access the server
+  shell: "echo 'world' | nc {{ container_ip.stdout_lines[0] }} 2000"
+  register: docker_output
+
+- debug: var=docker_output
+
+- name: check that the script ran
+  assert:
+    that:
+      - "'hello world' in docker_output.stdout_lines"