[#317] Testing new version of docker:dind image.
Closes #317 (closed)
Issue is apparently resolved by new release of Docker/dind
image. This is shown in the DOCKER_VERSION
environmental variable in the Dockerfile for the dind
image here: https://hub.docker.com/layers/docker/library/docker/dind/images/sha256-bd459ffa862cf1e3f5f55d028beb215afc4849856c1c7d15faf9263c5f760d64?context=explore