@Override
            public boolean test(DockerClientProviderStrategy dockerClientProviderStrategy) {
                return classes.add(dockerClientProviderStrategy.getClass());
            }
Determine the right DockerClientConfig to use for building clients by trial-and-error.

@return a working DockerClientConfig, as determined by successful execution of a ping command
core/src/main/java/org/testcontainers/dockerclient/DockerClientProviderStrategy.java