Try to make connection test work with coverage (#39)

* Try to make connection test work with coverage.

ci_coverage

* Don't run test inside containers.

ci_coverage

* Empty commit to run without coverage.

tests/integration/targets/connection_docker/aliases

@@ -1,2 +1,3 @@
 shippable/posix/group4
+skip/docker  # coverage does not work if we're inside a docker container, since we cannot access this container's /tmp dir from the new container
 destructive

tests/integration/targets/connection_docker/runme.sh

@@ -37,8 +37,12 @@ trap cleanup INT TERM EXIT
 
 echo "Start containers"
 for CONTAINER in ${DOCKER_CONTAINERS}; do
-    docker run --rm --name ${CONTAINER} --detach ${IMAGE} /bin/sh -c 'sleep 10m'
-    docker exec ${CONTAINER} pip3 install coverage
+    if [ "${ANSIBLE_TEST_COVERAGE}" == "" ]; then
+        docker run --rm --name ${CONTAINER} --detach ${IMAGE} /bin/sh -c 'sleep 10m'
+    else
+        docker run --rm --name ${CONTAINER} --detach -v /tmp:/tmp ${IMAGE} /bin/sh -c 'sleep 10m'
+        docker exec ${CONTAINER} pip3 install coverage
+    fi
     echo ${CONTAINER}
 done